Home / 802,819.52-1,107,906.14-440,221.76

Finding the Fourth Proportional to 802,819.52, 1,107,906.14 and 440,221.76

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Solution

The fourth proportional to 802,819.52, 1,107,906.14 and 440,221.76 is: 607,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,819.52 : 1,107,906.14 = 440,221.76 : x
  2. Step 2: Convert to fraction form
    802,819.52/1,107,906.14 = 440,221.76/x
  3. Step 3: Cross multiply
    802,819.52x = 1,107,906.14 × 440,221.76
  4. Step 4: Simplify right side
    802,819.52x = 487,724,386,426.63
  5. Step 5: Solve for x
    x = 487,724,386,426.63/802,819.52
  6. Step 6: Final answer
    x = 607,514.36

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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.