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Finding the Fourth Proportional to 788,652.59, 1,182,978.88 and 189,613.75

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Solution

The fourth proportional to 788,652.59, 1,182,978.88 and 189,613.75 is: 284,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,652.59 : 1,182,978.88 = 189,613.75 : x
  2. Step 2: Convert to fraction form
    788,652.59/1,182,978.88 = 189,613.75/x
  3. Step 3: Cross multiply
    788,652.59x = 1,182,978.88 × 189,613.75
  4. Step 4: Simplify right side
    788,652.59x = 224,309,067,416.57
  5. Step 5: Solve for x
    x = 224,309,067,416.57/788,652.59
  6. Step 6: Final answer
    x = 284,420.63

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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.