Home / 988,791.20-1,364,534.88-536,082.56

Finding the Fourth Proportional to 988,791.20, 1,364,534.88 and 536,082.56

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Solution

The fourth proportional to 988,791.20, 1,364,534.88 and 536,082.56 is: 739,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,791.20 : 1,364,534.88 = 536,082.56 : x
  2. Step 2: Convert to fraction form
    988,791.20/1,364,534.88 = 536,082.56/x
  3. Step 3: Cross multiply
    988,791.20x = 1,364,534.88 × 536,082.56
  4. Step 4: Simplify right side
    988,791.20x = 731,503,351,679.69
  5. Step 5: Solve for x
    x = 731,503,351,679.69/988,791.20
  6. Step 6: Final answer
    x = 739,795.57

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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.