Home / 991,691.04-1,368,527.16-538,982.04

Finding the Fourth Proportional to 991,691.04, 1,368,527.16 and 538,982.04

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Solution

The fourth proportional to 991,691.04, 1,368,527.16 and 538,982.04 is: 743,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,691.04 : 1,368,527.16 = 538,982.04 : x
  2. Step 2: Convert to fraction form
    991,691.04/1,368,527.16 = 538,982.04/x
  3. Step 3: Cross multiply
    991,691.04x = 1,368,527.16 × 538,982.04
  4. Step 4: Simplify right side
    991,691.04x = 737,611,560,492.21
  5. Step 5: Solve for x
    x = 737,611,560,492.21/991,691.04
  6. Step 6: Final answer
    x = 743,791.70

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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.