Home / 485,408.73-669,867.15-270,562.41

Finding the Fourth Proportional to 485,408.73, 669,867.15 and 270,562.41

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Solution

The fourth proportional to 485,408.73, 669,867.15 and 270,562.41 is: 373,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,408.73 : 669,867.15 = 270,562.41 : x
  2. Step 2: Convert to fraction form
    485,408.73/669,867.15 = 270,562.41/x
  3. Step 3: Cross multiply
    485,408.73x = 669,867.15 × 270,562.41
  4. Step 4: Simplify right side
    485,408.73x = 181,240,872,158.50
  5. Step 5: Solve for x
    x = 181,240,872,158.50/485,408.73
  6. Step 6: Final answer
    x = 373,377.86

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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.