Home / 820,589.22-1,132,470.18-458,083.85

Finding the Fourth Proportional to 820,589.22, 1,132,470.18 and 458,083.85

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Solution

The fourth proportional to 820,589.22, 1,132,470.18 and 458,083.85 is: 632,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,589.22 : 1,132,470.18 = 458,083.85 : x
  2. Step 2: Convert to fraction form
    820,589.22/1,132,470.18 = 458,083.85/x
  3. Step 3: Cross multiply
    820,589.22x = 1,132,470.18 × 458,083.85
  4. Step 4: Simplify right side
    820,589.22x = 518,766,294,402.24
  5. Step 5: Solve for x
    x = 518,766,294,402.24/820,589.22
  6. Step 6: Final answer
    x = 632,187.56

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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.