Home / 731,411.56-1,096,722.86-331,834.31

Finding the Fourth Proportional to 731,411.56, 1,096,722.86 and 331,834.31

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Solution

The fourth proportional to 731,411.56, 1,096,722.86 and 331,834.31 is: 497,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,411.56 : 1,096,722.86 = 331,834.31 : x
  2. Step 2: Convert to fraction form
    731,411.56/1,096,722.86 = 331,834.31/x
  3. Step 3: Cross multiply
    731,411.56x = 1,096,722.86 × 331,834.31
  4. Step 4: Simplify right side
    731,411.56x = 363,930,271,850.16
  5. Step 5: Solve for x
    x = 363,930,271,850.16/731,411.56
  6. Step 6: Final answer
    x = 497,572.49

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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.