Home / 766,314.62-1,057,514.18-426,782.87

Finding the Fourth Proportional to 766,314.62, 1,057,514.18 and 426,782.87

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Solution

The fourth proportional to 766,314.62, 1,057,514.18 and 426,782.87 is: 588,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,314.62 : 1,057,514.18 = 426,782.87 : x
  2. Step 2: Convert to fraction form
    766,314.62/1,057,514.18 = 426,782.87/x
  3. Step 3: Cross multiply
    766,314.62x = 1,057,514.18 × 426,782.87
  4. Step 4: Simplify right side
    766,314.62x = 451,328,929,384.61
  5. Step 5: Solve for x
    x = 451,328,929,384.61/766,314.62
  6. Step 6: Final answer
    x = 588,960.36

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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.