Home / 807,729.21-1,114,616.23-445,132.82

Finding the Fourth Proportional to 807,729.21, 1,114,616.23 and 445,132.82

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Solution

The fourth proportional to 807,729.21, 1,114,616.23 and 445,132.82 is: 614,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,729.21 : 1,114,616.23 = 445,132.82 : x
  2. Step 2: Convert to fraction form
    807,729.21/1,114,616.23 = 445,132.82/x
  3. Step 3: Cross multiply
    807,729.21x = 1,114,616.23 × 445,132.82
  4. Step 4: Simplify right side
    807,729.21x = 496,152,267,351.38
  5. Step 5: Solve for x
    x = 496,152,267,351.38/807,729.21
  6. Step 6: Final answer
    x = 614,255.70

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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.