Home / 878,279.03-1,316,521.11-498,397.53

Finding the Fourth Proportional to 878,279.03, 1,316,521.11 and 498,397.53

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Solution

The fourth proportional to 878,279.03, 1,316,521.11 and 498,397.53 is: 747,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,279.03 : 1,316,521.11 = 498,397.53 : x
  2. Step 2: Convert to fraction form
    878,279.03/1,316,521.11 = 498,397.53/x
  3. Step 3: Cross multiply
    878,279.03x = 1,316,521.11 × 498,397.53
  4. Step 4: Simplify right side
    878,279.03x = 656,150,869,416.86
  5. Step 5: Solve for x
    x = 656,150,869,416.86/878,279.03
  6. Step 6: Final answer
    x = 747,087.03

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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.