Home / 731,168.40-1,009,005.48-408,874.80

Finding the Fourth Proportional to 731,168.40, 1,009,005.48 and 408,874.80

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Solution

The fourth proportional to 731,168.40, 1,009,005.48 and 408,874.80 is: 564,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,168.40 : 1,009,005.48 = 408,874.80 : x
  2. Step 2: Convert to fraction form
    731,168.40/1,009,005.48 = 408,874.80/x
  3. Step 3: Cross multiply
    731,168.40x = 1,009,005.48 × 408,874.80
  4. Step 4: Simplify right side
    731,168.40x = 412,556,913,833.90
  5. Step 5: Solve for x
    x = 412,556,913,833.90/731,168.40
  6. Step 6: Final answer
    x = 564,243.36

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Double scale
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1.5x scale

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.