Home / 782,364.30-1,173,546.45-308,805.90

Finding the Fourth Proportional to 782,364.30, 1,173,546.45 and 308,805.90

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Solution

The fourth proportional to 782,364.30, 1,173,546.45 and 308,805.90 is: 463,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,364.30 : 1,173,546.45 = 308,805.90 : x
  2. Step 2: Convert to fraction form
    782,364.30/1,173,546.45 = 308,805.90/x
  3. Step 3: Cross multiply
    782,364.30x = 1,173,546.45 × 308,805.90
  4. Step 4: Simplify right side
    782,364.30x = 362,398,067,684.06
  5. Step 5: Solve for x
    x = 362,398,067,684.06/782,364.30
  6. Step 6: Final answer
    x = 463,208.85

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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.