Home / 804,983.10-1,207,474.65-431,735.10

Finding the Fourth Proportional to 804,983.10, 1,207,474.65 and 431,735.10

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Solution

The fourth proportional to 804,983.10, 1,207,474.65 and 431,735.10 is: 647,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,983.10 : 1,207,474.65 = 431,735.10 : x
  2. Step 2: Convert to fraction form
    804,983.10/1,207,474.65 = 431,735.10/x
  3. Step 3: Cross multiply
    804,983.10x = 1,207,474.65 × 431,735.10
  4. Step 4: Simplify right side
    804,983.10x = 521,309,188,765.22
  5. Step 5: Solve for x
    x = 521,309,188,765.22/804,983.10
  6. Step 6: Final answer
    x = 647,602.65

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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.