Home / 832,306.80-1,247,999.40-271,052.40

Finding the Fourth Proportional to 832,306.80, 1,247,999.40 and 271,052.40

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Solution

The fourth proportional to 832,306.80, 1,247,999.40 and 271,052.40 is: 406,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,306.80 : 1,247,999.40 = 271,052.40 : x
  2. Step 2: Convert to fraction form
    832,306.80/1,247,999.40 = 271,052.40/x
  3. Step 3: Cross multiply
    832,306.80x = 1,247,999.40 × 271,052.40
  4. Step 4: Simplify right side
    832,306.80x = 338,273,232,568.56
  5. Step 5: Solve for x
    x = 338,273,232,568.56/832,306.80
  6. Step 6: Final answer
    x = 406,428.53

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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.