Home / 820,589.47-1,132,470.53-458,084.10

Finding the Fourth Proportional to 820,589.47, 1,132,470.53 and 458,084.10

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Solution

The fourth proportional to 820,589.47, 1,132,470.53 and 458,084.10 is: 632,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,589.47 : 1,132,470.53 = 458,084.10 : x
  2. Step 2: Convert to fraction form
    820,589.47/1,132,470.53 = 458,084.10/x
  3. Step 3: Cross multiply
    820,589.47x = 1,132,470.53 × 458,084.10
  4. Step 4: Simplify right side
    820,589.47x = 518,766,743,511.57
  5. Step 5: Solve for x
    x = 518,766,743,511.57/820,589.47
  6. Step 6: Final answer
    x = 632,187.91

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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.