Home / 804,975.90-1,207,463.85-521,540.70

Finding the Fourth Proportional to 804,975.90, 1,207,463.85 and 521,540.70

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Solution

The fourth proportional to 804,975.90, 1,207,463.85 and 521,540.70 is: 782,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,975.90 : 1,207,463.85 = 521,540.70 : x
  2. Step 2: Convert to fraction form
    804,975.90/1,207,463.85 = 521,540.70/x
  3. Step 3: Cross multiply
    804,975.90x = 1,207,463.85 × 521,540.70
  4. Step 4: Simplify right side
    804,975.90x = 629,741,541,553.70
  5. Step 5: Solve for x
    x = 629,741,541,553.70/804,975.90
  6. Step 6: Final answer
    x = 782,311.05

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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.