Home / 766,290.85-1,057,514.18-426,759.10

Finding the Fourth Proportional to 766,290.85, 1,057,514.18 and 426,759.10

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Solution

The fourth proportional to 766,290.85, 1,057,514.18 and 426,759.10 is: 588,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,290.85 : 1,057,514.18 = 426,759.10 : x
  2. Step 2: Convert to fraction form
    766,290.85/1,057,514.18 = 426,759.10/x
  3. Step 3: Cross multiply
    766,290.85x = 1,057,514.18 × 426,759.10
  4. Step 4: Simplify right side
    766,290.85x = 451,303,798,197.41
  5. Step 5: Solve for x
    x = 451,303,798,197.41/766,290.85
  6. Step 6: Final answer
    x = 588,945.83

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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.