Home / 781,235.16-1,171,946.51-275,691.75

Finding the Fourth Proportional to 781,235.16, 1,171,946.51 and 275,691.75

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Solution

The fourth proportional to 781,235.16, 1,171,946.51 and 275,691.75 is: 413,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,235.16 : 1,171,946.51 = 275,691.75 : x
  2. Step 2: Convert to fraction form
    781,235.16/1,171,946.51 = 275,691.75/x
  3. Step 3: Cross multiply
    781,235.16x = 1,171,946.51 × 275,691.75
  4. Step 4: Simplify right side
    781,235.16x = 323,095,982,869.83
  5. Step 5: Solve for x
    x = 323,095,982,869.83/781,235.16
  6. Step 6: Final answer
    x = 413,570.71

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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.