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Finding the Fourth Proportional to 499,329.04, 748,974.12 and 275,134

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Solution

The fourth proportional to 499,329.04, 748,974.12 and 275,134 is: 412,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,329.04 : 748,974.12 = 275,134 : x
  2. Step 2: Convert to fraction form
    499,329.04/748,974.12 = 275,134/x
  3. Step 3: Cross multiply
    499,329.04x = 748,974.12 × 275,134
  4. Step 4: Simplify right side
    499,329.04x = 206,068,245,532.08
  5. Step 5: Solve for x
    x = 206,068,245,532.08/499,329.04
  6. Step 6: Final answer
    x = 412,690.29

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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.