Home / 574,463.07-861,095.61-321,372.50

Finding the Fourth Proportional to 574,463.07, 861,095.61 and 321,372.50

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Solution

The fourth proportional to 574,463.07, 861,095.61 and 321,372.50 is: 481,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,463.07 : 861,095.61 = 321,372.50 : x
  2. Step 2: Convert to fraction form
    574,463.07/861,095.61 = 321,372.50/x
  3. Step 3: Cross multiply
    574,463.07x = 861,095.61 × 321,372.50
  4. Step 4: Simplify right side
    574,463.07x = 276,732,444,619.25
  5. Step 5: Solve for x
    x = 276,732,444,619.25/574,463.07
  6. Step 6: Final answer
    x = 481,723.65

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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.