Home / 807,694.32-1,114,625.78-445,131.24

Finding the Fourth Proportional to 807,694.32, 1,114,625.78 and 445,131.24

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Solution

The fourth proportional to 807,694.32, 1,114,625.78 and 445,131.24 is: 614,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,694.32 : 1,114,625.78 = 445,131.24 : x
  2. Step 2: Convert to fraction form
    807,694.32/1,114,625.78 = 445,131.24/x
  3. Step 3: Cross multiply
    807,694.32x = 1,114,625.78 × 445,131.24
  4. Step 4: Simplify right side
    807,694.32x = 496,154,755,587.37
  5. Step 5: Solve for x
    x = 496,154,755,587.37/807,694.32
  6. Step 6: Final answer
    x = 614,285.31

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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.