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Finding the Fourth Proportional to 702,969.35, 1,054,454.03 and 253,759.55

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Solution

The fourth proportional to 702,969.35, 1,054,454.03 and 253,759.55 is: 380,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,969.35 : 1,054,454.03 = 253,759.55 : x
  2. Step 2: Convert to fraction form
    702,969.35/1,054,454.03 = 253,759.55/x
  3. Step 3: Cross multiply
    702,969.35x = 1,054,454.03 × 253,759.55
  4. Step 4: Simplify right side
    702,969.35x = 267,577,780,148.49
  5. Step 5: Solve for x
    x = 267,577,780,148.49/702,969.35
  6. Step 6: Final answer
    x = 380,639.33

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Similar ratio
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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.