Home / 725,069.11-1,000,561.42-402,798.86

Finding the Fourth Proportional to 725,069.11, 1,000,561.42 and 402,798.86

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Solution

The fourth proportional to 725,069.11, 1,000,561.42 and 402,798.86 is: 555,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,069.11 : 1,000,561.42 = 402,798.86 : x
  2. Step 2: Convert to fraction form
    725,069.11/1,000,561.42 = 402,798.86/x
  3. Step 3: Cross multiply
    725,069.11x = 1,000,561.42 × 402,798.86
  4. Step 4: Simplify right side
    725,069.11x = 403,024,999,335.98
  5. Step 5: Solve for x
    x = 403,024,999,335.98/725,069.11
  6. Step 6: Final answer
    x = 555,843.57

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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.