Home / 485,432.19-669,919.41-270,574.02

Finding the Fourth Proportional to 485,432.19, 669,919.41 and 270,574.02

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Solution

The fourth proportional to 485,432.19, 669,919.41 and 270,574.02 is: 373,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,432.19 : 669,919.41 = 270,574.02 : x
  2. Step 2: Convert to fraction form
    485,432.19/669,919.41 = 270,574.02/x
  3. Step 3: Cross multiply
    485,432.19x = 669,919.41 × 270,574.02
  4. Step 4: Simplify right side
    485,432.19x = 181,262,787,839.73
  5. Step 5: Solve for x
    x = 181,262,787,839.73/485,432.19
  6. Step 6: Final answer
    x = 373,404.96

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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.