Home / 766,246.28-1,057,344.18-426,746.12

Finding the Fourth Proportional to 766,246.28, 1,057,344.18 and 426,746.12

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Solution

The fourth proportional to 766,246.28, 1,057,344.18 and 426,746.12 is: 588,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,246.28 : 1,057,344.18 = 426,746.12 : x
  2. Step 2: Convert to fraction form
    766,246.28/1,057,344.18 = 426,746.12/x
  3. Step 3: Cross multiply
    766,246.28x = 1,057,344.18 × 426,746.12
  4. Step 4: Simplify right side
    766,246.28x = 451,217,526,319.58
  5. Step 5: Solve for x
    x = 451,217,526,319.58/766,246.28
  6. Step 6: Final answer
    x = 588,867.49

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Double scale
Find fourth proportional to 766,247.28, 1,057,345.56 and 426,747.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.