Home / 731,707.80-1,097,233.65-332,142.90

Finding the Fourth Proportional to 731,707.80, 1,097,233.65 and 332,142.90

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Solution

The fourth proportional to 731,707.80, 1,097,233.65 and 332,142.90 is: 498,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,707.80 : 1,097,233.65 = 332,142.90 : x
  2. Step 2: Convert to fraction form
    731,707.80/1,097,233.65 = 332,142.90/x
  3. Step 3: Cross multiply
    731,707.80x = 1,097,233.65 × 332,142.90
  4. Step 4: Simplify right side
    731,707.80x = 364,438,366,488.59
  5. Step 5: Solve for x
    x = 364,438,366,488.59/731,707.80
  6. Step 6: Final answer
    x = 498,065.44

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Double scale
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Similar ratio
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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.