Home / 981,523.56-1,472,285.76-307,657.32

Finding the Fourth Proportional to 981,523.56, 1,472,285.76 and 307,657.32

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Solution

The fourth proportional to 981,523.56, 1,472,285.76 and 307,657.32 is: 461,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,523.56 : 1,472,285.76 = 307,657.32 : x
  2. Step 2: Convert to fraction form
    981,523.56/1,472,285.76 = 307,657.32/x
  3. Step 3: Cross multiply
    981,523.56x = 1,472,285.76 × 307,657.32
  4. Step 4: Simplify right side
    981,523.56x = 452,959,491,195.76
  5. Step 5: Solve for x
    x = 452,959,491,195.76/981,523.56
  6. Step 6: Final answer
    x = 461,486.11

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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.