Home / 715,024.53-1,072,520.39-359,943.21

Finding the Fourth Proportional to 715,024.53, 1,072,520.39 and 359,943.21

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Solution

The fourth proportional to 715,024.53, 1,072,520.39 and 359,943.21 is: 539,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,024.53 : 1,072,520.39 = 359,943.21 : x
  2. Step 2: Convert to fraction form
    715,024.53/1,072,520.39 = 359,943.21/x
  3. Step 3: Cross multiply
    715,024.53x = 1,072,520.39 × 359,943.21
  4. Step 4: Simplify right side
    715,024.53x = 386,046,432,866.91
  5. Step 5: Solve for x
    x = 386,046,432,866.91/715,024.53
  6. Step 6: Final answer
    x = 539,906.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.