Home / 674,612.20-1,011,918.30-635,246.20

Finding the Fourth Proportional to 674,612.20, 1,011,918.30 and 635,246.20

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Solution

The fourth proportional to 674,612.20, 1,011,918.30 and 635,246.20 is: 952,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,612.20 : 1,011,918.30 = 635,246.20 : x
  2. Step 2: Convert to fraction form
    674,612.20/1,011,918.30 = 635,246.20/x
  3. Step 3: Cross multiply
    674,612.20x = 1,011,918.30 × 635,246.20
  4. Step 4: Simplify right side
    674,612.20x = 642,817,254,785.46
  5. Step 5: Solve for x
    x = 642,817,254,785.46/674,612.20
  6. Step 6: Final answer
    x = 952,869.30

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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.