Home / 725,336.91-1,000,974.92-403,041.15

Finding the Fourth Proportional to 725,336.91, 1,000,974.92 and 403,041.15

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Solution

The fourth proportional to 725,336.91, 1,000,974.92 and 403,041.15 is: 556,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,336.91 : 1,000,974.92 = 403,041.15 : x
  2. Step 2: Convert to fraction form
    725,336.91/1,000,974.92 = 403,041.15/x
  3. Step 3: Cross multiply
    725,336.91x = 1,000,974.92 × 403,041.15
  4. Step 4: Simplify right side
    725,336.91x = 403,434,080,862.75
  5. Step 5: Solve for x
    x = 403,434,080,862.75/725,336.91
  6. Step 6: Final answer
    x = 556,202.33

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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.