Home / 862,204.60-1,292,502.72-293,196.86

Finding the Fourth Proportional to 862,204.60, 1,292,502.72 and 293,196.86

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Solution

The fourth proportional to 862,204.60, 1,292,502.72 and 293,196.86 is: 439,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,204.60 : 1,292,502.72 = 293,196.86 : x
  2. Step 2: Convert to fraction form
    862,204.60/1,292,502.72 = 293,196.86/x
  3. Step 3: Cross multiply
    862,204.60x = 1,292,502.72 × 293,196.86
  4. Step 4: Simplify right side
    862,204.60x = 378,957,737,579.48
  5. Step 5: Solve for x
    x = 378,957,737,579.48/862,204.60
  6. Step 6: Final answer
    x = 439,521.83

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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.