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Finding the Fourth Proportional to 440,594.39, 660,905.93 and 209,733.30

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Solution

The fourth proportional to 440,594.39, 660,905.93 and 209,733.30 is: 314,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,594.39 : 660,905.93 = 209,733.30 : x
  2. Step 2: Convert to fraction form
    440,594.39/660,905.93 = 209,733.30/x
  3. Step 3: Cross multiply
    440,594.39x = 660,905.93 × 209,733.30
  4. Step 4: Simplify right side
    440,594.39x = 138,613,982,212.80
  5. Step 5: Solve for x
    x = 138,613,982,212.80/440,594.39
  6. Step 6: Final answer
    x = 314,606.78

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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.