Home / 807,750.11-1,114,649.68-445,172.82

Finding the Fourth Proportional to 807,750.11, 1,114,649.68 and 445,172.82

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Solution

The fourth proportional to 807,750.11, 1,114,649.68 and 445,172.82 is: 614,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,750.11 : 1,114,649.68 = 445,172.82 : x
  2. Step 2: Convert to fraction form
    807,750.11/1,114,649.68 = 445,172.82/x
  3. Step 3: Cross multiply
    807,750.11x = 1,114,649.68 × 445,172.82
  4. Step 4: Simplify right side
    807,750.11x = 496,211,741,357.70
  5. Step 5: Solve for x
    x = 496,211,741,357.70/807,750.11
  6. Step 6: Final answer
    x = 614,313.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.