Home / 781,207.52-1,171,904.91-275,664.09

Finding the Fourth Proportional to 781,207.52, 1,171,904.91 and 275,664.09

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Solution

The fourth proportional to 781,207.52, 1,171,904.91 and 275,664.09 is: 413,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,207.52 : 1,171,904.91 = 275,664.09 : x
  2. Step 2: Convert to fraction form
    781,207.52/1,171,904.91 = 275,664.09/x
  3. Step 3: Cross multiply
    781,207.52x = 1,171,904.91 × 275,664.09
  4. Step 4: Simplify right side
    781,207.52x = 323,052,105,493.20
  5. Step 5: Solve for x
    x = 323,052,105,493.20/781,207.52
  6. Step 6: Final answer
    x = 413,529.18

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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.