Home / 748,001.60-1,122,002.40-242,561.60

Finding the Fourth Proportional to 748,001.60, 1,122,002.40 and 242,561.60

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Solution

The fourth proportional to 748,001.60, 1,122,002.40 and 242,561.60 is: 363,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,001.60 : 1,122,002.40 = 242,561.60 : x
  2. Step 2: Convert to fraction form
    748,001.60/1,122,002.40 = 242,561.60/x
  3. Step 3: Cross multiply
    748,001.60x = 1,122,002.40 × 242,561.60
  4. Step 4: Simplify right side
    748,001.60x = 272,154,697,347.84
  5. Step 5: Solve for x
    x = 272,154,697,347.84/748,001.60
  6. Step 6: Final answer
    x = 363,842.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 748,002.60, 1,122,003.90 and 242,562.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.