Home / 485,414.41-669,875-270,568.10

Finding the Fourth Proportional to 485,414.41, 669,875 and 270,568.10

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Solution

The fourth proportional to 485,414.41, 669,875 and 270,568.10 is: 373,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,414.41 : 669,875 = 270,568.10 : x
  2. Step 2: Convert to fraction form
    485,414.41/669,875 = 270,568.10/x
  3. Step 3: Cross multiply
    485,414.41x = 669,875 × 270,568.10
  4. Step 4: Simplify right side
    485,414.41x = 181,246,805,987.50
  5. Step 5: Solve for x
    x = 181,246,805,987.50/485,414.41
  6. Step 6: Final answer
    x = 373,385.71

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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.