Home / 702,972.55-1,054,240.56-253,634.88

Finding the Fourth Proportional to 702,972.55, 1,054,240.56 and 253,634.88

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Solution

The fourth proportional to 702,972.55, 1,054,240.56 and 253,634.88 is: 380,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,972.55 : 1,054,240.56 = 253,634.88 : x
  2. Step 2: Convert to fraction form
    702,972.55/1,054,240.56 = 253,634.88/x
  3. Step 3: Cross multiply
    702,972.55x = 1,054,240.56 × 253,634.88
  4. Step 4: Simplify right side
    702,972.55x = 267,392,172,655.53
  5. Step 5: Solve for x
    x = 267,392,172,655.53/702,972.55
  6. Step 6: Final answer
    x = 380,373.56

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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.