Home / 739,793.72-1,020,915.33-400,261.97

Finding the Fourth Proportional to 739,793.72, 1,020,915.33 and 400,261.97

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Solution

The fourth proportional to 739,793.72, 1,020,915.33 and 400,261.97 is: 552,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,793.72 : 1,020,915.33 = 400,261.97 : x
  2. Step 2: Convert to fraction form
    739,793.72/1,020,915.33 = 400,261.97/x
  3. Step 3: Cross multiply
    739,793.72x = 1,020,915.33 × 400,261.97
  4. Step 4: Simplify right side
    739,793.72x = 408,633,576,084.42
  5. Step 5: Solve for x
    x = 408,633,576,084.42/739,793.72
  6. Step 6: Final answer
    x = 552,361.51

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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.