Home / 575,030.30-861,439.96-321,541.96

Finding the Fourth Proportional to 575,030.30, 861,439.96 and 321,541.96

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Solution

The fourth proportional to 575,030.30, 861,439.96 and 321,541.96 is: 481,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,030.30 : 861,439.96 = 321,541.96 : x
  2. Step 2: Convert to fraction form
    575,030.30/861,439.96 = 321,541.96/x
  3. Step 3: Cross multiply
    575,030.30x = 861,439.96 × 321,541.96
  4. Step 4: Simplify right side
    575,030.30x = 276,989,093,160.72
  5. Step 5: Solve for x
    x = 276,989,093,160.72/575,030.30
  6. Step 6: Final answer
    x = 481,694.78

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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.