Home / 766,295.91-1,057,521.18-426,764.16

Finding the Fourth Proportional to 766,295.91, 1,057,521.18 and 426,764.16

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Solution

The fourth proportional to 766,295.91, 1,057,521.18 and 426,764.16 is: 588,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,295.91 : 1,057,521.18 = 426,764.16 : x
  2. Step 2: Convert to fraction form
    766,295.91/1,057,521.18 = 426,764.16/x
  3. Step 3: Cross multiply
    766,295.91x = 1,057,521.18 × 426,764.16
  4. Step 4: Simplify right side
    766,295.91x = 451,312,138,064.91
  5. Step 5: Solve for x
    x = 451,312,138,064.91/766,295.91
  6. Step 6: Final answer
    x = 588,952.82

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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.