Home / 981,233.80-1,472,421.76-412,573.70

Finding the Fourth Proportional to 981,233.80, 1,472,421.76 and 412,573.70

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Solution

The fourth proportional to 981,233.80, 1,472,421.76 and 412,573.70 is: 619,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,233.80 : 1,472,421.76 = 412,573.70 : x
  2. Step 2: Convert to fraction form
    981,233.80/1,472,421.76 = 412,573.70/x
  3. Step 3: Cross multiply
    981,233.80x = 1,472,421.76 × 412,573.70
  4. Step 4: Simplify right side
    981,233.80x = 607,482,496,133.33
  5. Step 5: Solve for x
    x = 607,482,496,133.33/981,233.80
  6. Step 6: Final answer
    x = 619,100.66

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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.