Home / 724,820.57-1,000,224.99-402,551.43

Finding the Fourth Proportional to 724,820.57, 1,000,224.99 and 402,551.43

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Solution

The fourth proportional to 724,820.57, 1,000,224.99 and 402,551.43 is: 555,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,820.57 : 1,000,224.99 = 402,551.43 : x
  2. Step 2: Convert to fraction form
    724,820.57/1,000,224.99 = 402,551.43/x
  3. Step 3: Cross multiply
    724,820.57x = 1,000,224.99 × 402,551.43
  4. Step 4: Simplify right side
    724,820.57x = 402,642,000,046.24
  5. Step 5: Solve for x
    x = 402,642,000,046.24/724,820.57
  6. Step 6: Final answer
    x = 555,505.76

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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.