Home / 804,912.72-1,207,052.19-292,456.86

Finding the Fourth Proportional to 804,912.72, 1,207,052.19 and 292,456.86

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Solution

The fourth proportional to 804,912.72, 1,207,052.19 and 292,456.86 is: 438,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,912.72 : 1,207,052.19 = 292,456.86 : x
  2. Step 2: Convert to fraction form
    804,912.72/1,207,052.19 = 292,456.86/x
  3. Step 3: Cross multiply
    804,912.72x = 1,207,052.19 × 292,456.86
  4. Step 4: Simplify right side
    804,912.72x = 353,010,693,343.52
  5. Step 5: Solve for x
    x = 353,010,693,343.52/804,912.72
  6. Step 6: Final answer
    x = 438,570.15

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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.