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Finding the Fourth Proportional to 659,481.33, 989,191.32 and 275,071.53

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Solution

The fourth proportional to 659,481.33, 989,191.32 and 275,071.53 is: 412,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,481.33 : 989,191.32 = 275,071.53 : x
  2. Step 2: Convert to fraction form
    659,481.33/989,191.32 = 275,071.53/x
  3. Step 3: Cross multiply
    659,481.33x = 989,191.32 × 275,071.53
  4. Step 4: Simplify right side
    659,481.33x = 272,098,369,855.12
  5. Step 5: Solve for x
    x = 272,098,369,855.12/659,481.33
  6. Step 6: Final answer
    x = 412,594.50

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Double scale
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1.5x scale

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.