Home / 880,589.44-1,215,217.92-478,181.44

Finding the Fourth Proportional to 880,589.44, 1,215,217.92 and 478,181.44

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Solution

The fourth proportional to 880,589.44, 1,215,217.92 and 478,181.44 is: 659,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,589.44 : 1,215,217.92 = 478,181.44 : x
  2. Step 2: Convert to fraction form
    880,589.44/1,215,217.92 = 478,181.44/x
  3. Step 3: Cross multiply
    880,589.44x = 1,215,217.92 × 478,181.44
  4. Step 4: Simplify right side
    880,589.44x = 581,094,654,899.41
  5. Step 5: Solve for x
    x = 581,094,654,899.41/880,589.44
  6. Step 6: Final answer
    x = 659,892.83

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1.5x scale

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.