Home / 878,523.28-1,317,806.56-247,432.88

Finding the Fourth Proportional to 878,523.28, 1,317,806.56 and 247,432.88

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Solution

The fourth proportional to 878,523.28, 1,317,806.56 and 247,432.88 is: 371,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,523.28 : 1,317,806.56 = 247,432.88 : x
  2. Step 2: Convert to fraction form
    878,523.28/1,317,806.56 = 247,432.88/x
  3. Step 3: Cross multiply
    878,523.28x = 1,317,806.56 × 247,432.88
  4. Step 4: Simplify right side
    878,523.28x = 326,068,672,423.69
  5. Step 5: Solve for x
    x = 326,068,672,423.69/878,523.28
  6. Step 6: Final answer
    x = 371,155.41

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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.