Home / 976,815.70-1,465,150.65-408,049.90

Finding the Fourth Proportional to 976,815.70, 1,465,150.65 and 408,049.90

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Solution

The fourth proportional to 976,815.70, 1,465,150.65 and 408,049.90 is: 612,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,815.70 : 1,465,150.65 = 408,049.90 : x
  2. Step 2: Convert to fraction form
    976,815.70/1,465,150.65 = 408,049.90/x
  3. Step 3: Cross multiply
    976,815.70x = 1,465,150.65 × 408,049.90
  4. Step 4: Simplify right side
    976,815.70x = 597,854,576,217.44
  5. Step 5: Solve for x
    x = 597,854,576,217.44/976,815.70
  6. Step 6: Final answer
    x = 612,044.40

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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.