Home / 629,555.13-868,796.15-343,075.41

Finding the Fourth Proportional to 629,555.13, 868,796.15 and 343,075.41

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Solution

The fourth proportional to 629,555.13, 868,796.15 and 343,075.41 is: 473,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,555.13 : 868,796.15 = 343,075.41 : x
  2. Step 2: Convert to fraction form
    629,555.13/868,796.15 = 343,075.41/x
  3. Step 3: Cross multiply
    629,555.13x = 868,796.15 × 343,075.41
  4. Step 4: Simplify right side
    629,555.13x = 298,062,593,652.29
  5. Step 5: Solve for x
    x = 298,062,593,652.29/629,555.13
  6. Step 6: Final answer
    x = 473,449.55

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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.