Home / 692,137.12-955,122.42-386,197.60

Finding the Fourth Proportional to 692,137.12, 955,122.42 and 386,197.60

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Solution

The fourth proportional to 692,137.12, 955,122.42 and 386,197.60 is: 532,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,137.12 : 955,122.42 = 386,197.60 : x
  2. Step 2: Convert to fraction form
    692,137.12/955,122.42 = 386,197.60/x
  3. Step 3: Cross multiply
    692,137.12x = 955,122.42 × 386,197.60
  4. Step 4: Simplify right side
    692,137.12x = 368,865,986,310.19
  5. Step 5: Solve for x
    x = 368,865,986,310.19/692,137.12
  6. Step 6: Final answer
    x = 532,937.73

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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.