Home / 981,358.75-1,472,037.67-307,493.02

Finding the Fourth Proportional to 981,358.75, 1,472,037.67 and 307,493.02

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Solution

The fourth proportional to 981,358.75, 1,472,037.67 and 307,493.02 is: 461,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,358.75 : 1,472,037.67 = 307,493.02 : x
  2. Step 2: Convert to fraction form
    981,358.75/1,472,037.67 = 307,493.02/x
  3. Step 3: Cross multiply
    981,358.75x = 1,472,037.67 × 307,493.02
  4. Step 4: Simplify right side
    981,358.75x = 452,641,308,702.06
  5. Step 5: Solve for x
    x = 452,641,308,702.06/981,358.75
  6. Step 6: Final answer
    x = 461,239.39

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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.