Home / 766,291.68-1,057,515.33-426,759.93

Finding the Fourth Proportional to 766,291.68, 1,057,515.33 and 426,759.93

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Solution

The fourth proportional to 766,291.68, 1,057,515.33 and 426,759.93 is: 588,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,291.68 : 1,057,515.33 = 426,759.93 : x
  2. Step 2: Convert to fraction form
    766,291.68/1,057,515.33 = 426,759.93/x
  3. Step 3: Cross multiply
    766,291.68x = 1,057,515.33 × 426,759.93
  4. Step 4: Simplify right side
    766,291.68x = 451,305,168,204.73
  5. Step 5: Solve for x
    x = 451,305,168,204.73/766,291.68
  6. Step 6: Final answer
    x = 588,946.98

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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.