Home / 853,274.88-1,280,611.92-432,671.04

Finding the Fourth Proportional to 853,274.88, 1,280,611.92 and 432,671.04

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Solution

The fourth proportional to 853,274.88, 1,280,611.92 and 432,671.04 is: 649,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,274.88 : 1,280,611.92 = 432,671.04 : x
  2. Step 2: Convert to fraction form
    853,274.88/1,280,611.92 = 432,671.04/x
  3. Step 3: Cross multiply
    853,274.88x = 1,280,611.92 × 432,671.04
  4. Step 4: Simplify right side
    853,274.88x = 554,083,691,262.80
  5. Step 5: Solve for x
    x = 554,083,691,262.80/853,274.88
  6. Step 6: Final answer
    x = 649,361.31

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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.