Home / 715,176.82-986,506.22-424,591.14

Finding the Fourth Proportional to 715,176.82, 986,506.22 and 424,591.14

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Solution

The fourth proportional to 715,176.82, 986,506.22 and 424,591.14 is: 585,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,176.82 : 986,506.22 = 424,591.14 : x
  2. Step 2: Convert to fraction form
    715,176.82/986,506.22 = 424,591.14/x
  3. Step 3: Cross multiply
    715,176.82x = 986,506.22 × 424,591.14
  4. Step 4: Simplify right side
    715,176.82x = 418,861,800,566.89
  5. Step 5: Solve for x
    x = 418,861,800,566.89/715,176.82
  6. Step 6: Final answer
    x = 585,675.86

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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.