Home / 800,517.80-1,199,588.28-445,042.76

Finding the Fourth Proportional to 800,517.80, 1,199,588.28 and 445,042.76

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Solution

The fourth proportional to 800,517.80, 1,199,588.28 and 445,042.76 is: 666,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,517.80 : 1,199,588.28 = 445,042.76 : x
  2. Step 2: Convert to fraction form
    800,517.80/1,199,588.28 = 445,042.76/x
  3. Step 3: Cross multiply
    800,517.80x = 1,199,588.28 × 445,042.76
  4. Step 4: Simplify right side
    800,517.80x = 533,868,078,994.85
  5. Step 5: Solve for x
    x = 533,868,078,994.85/800,517.80
  6. Step 6: Final answer
    x = 666,903.45

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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.