Home / 765,676.01-1,149,222.92-386,863.35

Finding the Fourth Proportional to 765,676.01, 1,149,222.92 and 386,863.35

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Solution

The fourth proportional to 765,676.01, 1,149,222.92 and 386,863.35 is: 580,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,676.01 : 1,149,222.92 = 386,863.35 : x
  2. Step 2: Convert to fraction form
    765,676.01/1,149,222.92 = 386,863.35/x
  3. Step 3: Cross multiply
    765,676.01x = 1,149,222.92 × 386,863.35
  4. Step 4: Simplify right side
    765,676.01x = 444,592,226,793.67
  5. Step 5: Solve for x
    x = 444,592,226,793.67/765,676.01
  6. Step 6: Final answer
    x = 580,653.21

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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.