Home / 804,475.92-1,207,222.20-449,722.92

Finding the Fourth Proportional to 804,475.92, 1,207,222.20 and 449,722.92

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Solution

The fourth proportional to 804,475.92, 1,207,222.20 and 449,722.92 is: 674,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,475.92 : 1,207,222.20 = 449,722.92 : x
  2. Step 2: Convert to fraction form
    804,475.92/1,207,222.20 = 449,722.92/x
  3. Step 3: Cross multiply
    804,475.92x = 1,207,222.20 × 449,722.92
  4. Step 4: Simplify right side
    804,475.92x = 542,915,492,872.82
  5. Step 5: Solve for x
    x = 542,915,492,872.82/804,475.92
  6. Step 6: Final answer
    x = 674,868.54

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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.