Home / 813,475.92-1,122,663.96-451,013.46

Finding the Fourth Proportional to 813,475.92, 1,122,663.96 and 451,013.46

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Solution

The fourth proportional to 813,475.92, 1,122,663.96 and 451,013.46 is: 622,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,475.92 : 1,122,663.96 = 451,013.46 : x
  2. Step 2: Convert to fraction form
    813,475.92/1,122,663.96 = 451,013.46/x
  3. Step 3: Cross multiply
    813,475.92x = 1,122,663.96 × 451,013.46
  4. Step 4: Simplify right side
    813,475.92x = 506,336,557,016.90
  5. Step 5: Solve for x
    x = 506,336,557,016.90/813,475.92
  6. Step 6: Final answer
    x = 622,435.83

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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.