Home / 766,263.28-1,057,367.64-426,763.12

Finding the Fourth Proportional to 766,263.28, 1,057,367.64 and 426,763.12

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Solution

The fourth proportional to 766,263.28, 1,057,367.64 and 426,763.12 is: 588,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,263.28 : 1,057,367.64 = 426,763.12 : x
  2. Step 2: Convert to fraction form
    766,263.28/1,057,367.64 = 426,763.12/x
  3. Step 3: Cross multiply
    766,263.28x = 1,057,367.64 × 426,763.12
  4. Step 4: Simplify right side
    766,263.28x = 451,245,513,033.44
  5. Step 5: Solve for x
    x = 451,245,513,033.44/766,263.28
  6. Step 6: Final answer
    x = 588,890.95

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Double scale
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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.