Home / 945,449.92-1,418,187.22-314,363.73

Finding the Fourth Proportional to 945,449.92, 1,418,187.22 and 314,363.73

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Solution

The fourth proportional to 945,449.92, 1,418,187.22 and 314,363.73 is: 471,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,449.92 : 1,418,187.22 = 314,363.73 : x
  2. Step 2: Convert to fraction form
    945,449.92/1,418,187.22 = 314,363.73/x
  3. Step 3: Cross multiply
    945,449.92x = 1,418,187.22 × 314,363.73
  4. Step 4: Simplify right side
    945,449.92x = 445,826,623,531.62
  5. Step 5: Solve for x
    x = 445,826,623,531.62/945,449.92
  6. Step 6: Final answer
    x = 471,549.70

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1.5x scale

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.