Home / 981,357.75-1,472,036.17-307,492.02

Finding the Fourth Proportional to 981,357.75, 1,472,036.17 and 307,492.02

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Solution

The fourth proportional to 981,357.75, 1,472,036.17 and 307,492.02 is: 461,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,357.75 : 1,472,036.17 = 307,492.02 : x
  2. Step 2: Convert to fraction form
    981,357.75/1,472,036.17 = 307,492.02/x
  3. Step 3: Cross multiply
    981,357.75x = 1,472,036.17 × 307,492.02
  4. Step 4: Simplify right side
    981,357.75x = 452,639,375,426.36
  5. Step 5: Solve for x
    x = 452,639,375,426.36/981,357.75
  6. Step 6: Final answer
    x = 461,237.89

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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.