Home / 748,591.74-1,122,652.10-243,035.91

Finding the Fourth Proportional to 748,591.74, 1,122,652.10 and 243,035.91

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Solution

The fourth proportional to 748,591.74, 1,122,652.10 and 243,035.91 is: 364,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,591.74 : 1,122,652.10 = 243,035.91 : x
  2. Step 2: Convert to fraction form
    748,591.74/1,122,652.10 = 243,035.91/x
  3. Step 3: Cross multiply
    748,591.74x = 1,122,652.10 × 243,035.91
  4. Step 4: Simplify right side
    748,591.74x = 272,844,775,344.50
  5. Step 5: Solve for x
    x = 272,844,775,344.50/748,591.74
  6. Step 6: Final answer
    x = 364,477.41

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Double scale
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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.