Home / 780,687.44-1,171,031.16-189,711.44

Finding the Fourth Proportional to 780,687.44, 1,171,031.16 and 189,711.44

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Solution

The fourth proportional to 780,687.44, 1,171,031.16 and 189,711.44 is: 284,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,687.44 : 1,171,031.16 = 189,711.44 : x
  2. Step 2: Convert to fraction form
    780,687.44/1,171,031.16 = 189,711.44/x
  3. Step 3: Cross multiply
    780,687.44x = 1,171,031.16 × 189,711.44
  4. Step 4: Simplify right side
    780,687.44x = 222,158,007,648.47
  5. Step 5: Solve for x
    x = 222,158,007,648.47/780,687.44
  6. Step 6: Final answer
    x = 284,567.16

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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.