Home / 781,527.92-1,172,034.84-275,997.20

Finding the Fourth Proportional to 781,527.92, 1,172,034.84 and 275,997.20

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Solution

The fourth proportional to 781,527.92, 1,172,034.84 and 275,997.20 is: 413,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,527.92 : 1,172,034.84 = 275,997.20 : x
  2. Step 2: Convert to fraction form
    781,527.92/1,172,034.84 = 275,997.20/x
  3. Step 3: Cross multiply
    781,527.92x = 1,172,034.84 × 275,997.20
  4. Step 4: Simplify right side
    781,527.92x = 323,478,334,142.45
  5. Step 5: Solve for x
    x = 323,478,334,142.45/781,527.92
  6. Step 6: Final answer
    x = 413,905.03

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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.