Home / 731,107.48-1,008,922.62-408,818.20

Finding the Fourth Proportional to 731,107.48, 1,008,922.62 and 408,818.20

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Solution

The fourth proportional to 731,107.48, 1,008,922.62 and 408,818.20 is: 564,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,107.48 : 1,008,922.62 = 408,818.20 : x
  2. Step 2: Convert to fraction form
    731,107.48/1,008,922.62 = 408,818.20/x
  3. Step 3: Cross multiply
    731,107.48x = 1,008,922.62 × 408,818.20
  4. Step 4: Simplify right side
    731,107.48x = 412,465,929,447.68
  5. Step 5: Solve for x
    x = 412,465,929,447.68/731,107.48
  6. Step 6: Final answer
    x = 564,165.93

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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.