Home / 676,001.60-1,014,002.40-255,291.20

Finding the Fourth Proportional to 676,001.60, 1,014,002.40 and 255,291.20

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Solution

The fourth proportional to 676,001.60, 1,014,002.40 and 255,291.20 is: 382,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,001.60 : 1,014,002.40 = 255,291.20 : x
  2. Step 2: Convert to fraction form
    676,001.60/1,014,002.40 = 255,291.20/x
  3. Step 3: Cross multiply
    676,001.60x = 1,014,002.40 × 255,291.20
  4. Step 4: Simplify right side
    676,001.60x = 258,865,889,498.88
  5. Step 5: Solve for x
    x = 258,865,889,498.88/676,001.60
  6. Step 6: Final answer
    x = 382,936.80

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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.