Home / 629,909.12-869,273.98-343,429.13

Finding the Fourth Proportional to 629,909.12, 869,273.98 and 343,429.13

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Solution

The fourth proportional to 629,909.12, 869,273.98 and 343,429.13 is: 473,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,909.12 : 869,273.98 = 343,429.13 : x
  2. Step 2: Convert to fraction form
    629,909.12/869,273.98 = 343,429.13/x
  3. Step 3: Cross multiply
    629,909.12x = 869,273.98 × 343,429.13
  4. Step 4: Simplify right side
    629,909.12x = 298,534,007,997.65
  5. Step 5: Solve for x
    x = 298,534,007,997.65/629,909.12
  6. Step 6: Final answer
    x = 473,931.87

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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.