Home / 981,490.50-1,353,932.01-658,645.56

Finding the Fourth Proportional to 981,490.50, 1,353,932.01 and 658,645.56

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Solution

The fourth proportional to 981,490.50, 1,353,932.01 and 658,645.56 is: 908,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,490.50 : 1,353,932.01 = 658,645.56 : x
  2. Step 2: Convert to fraction form
    981,490.50/1,353,932.01 = 658,645.56/x
  3. Step 3: Cross multiply
    981,490.50x = 1,353,932.01 × 658,645.56
  4. Step 4: Simplify right side
    981,490.50x = 891,761,306,928.38
  5. Step 5: Solve for x
    x = 891,761,306,928.38/981,490.50
  6. Step 6: Final answer
    x = 908,578.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.