Home / 631,044.52-870,876.72-344,591.20

Finding the Fourth Proportional to 631,044.52, 870,876.72 and 344,591.20

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Solution

The fourth proportional to 631,044.52, 870,876.72 and 344,591.20 is: 475,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,044.52 : 870,876.72 = 344,591.20 : x
  2. Step 2: Convert to fraction form
    631,044.52/870,876.72 = 344,591.20/x
  3. Step 3: Cross multiply
    631,044.52x = 870,876.72 × 344,591.20
  4. Step 4: Simplify right side
    631,044.52x = 300,096,453,996.86
  5. Step 5: Solve for x
    x = 300,096,453,996.86/631,044.52
  6. Step 6: Final answer
    x = 475,555.12

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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.