Home / 725,337.91-1,000,976.30-403,042.15

Finding the Fourth Proportional to 725,337.91, 1,000,976.30 and 403,042.15

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Solution

The fourth proportional to 725,337.91, 1,000,976.30 and 403,042.15 is: 556,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,337.91 : 1,000,976.30 = 403,042.15 : x
  2. Step 2: Convert to fraction form
    725,337.91/1,000,976.30 = 403,042.15/x
  3. Step 3: Cross multiply
    725,337.91x = 1,000,976.30 × 403,042.15
  4. Step 4: Simplify right side
    725,337.91x = 403,435,640,051.05
  5. Step 5: Solve for x
    x = 403,435,640,051.05/725,337.91
  6. Step 6: Final answer
    x = 556,203.71

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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.