Home / 671,843.38-1,007,758.80-272,389.18

Finding the Fourth Proportional to 671,843.38, 1,007,758.80 and 272,389.18

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Solution

The fourth proportional to 671,843.38, 1,007,758.80 and 272,389.18 is: 408,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,843.38 : 1,007,758.80 = 272,389.18 : x
  2. Step 2: Convert to fraction form
    671,843.38/1,007,758.80 = 272,389.18/x
  3. Step 3: Cross multiply
    671,843.38x = 1,007,758.80 × 272,389.18
  4. Step 4: Simplify right side
    671,843.38x = 274,502,593,169.78
  5. Step 5: Solve for x
    x = 274,502,593,169.78/671,843.38
  6. Step 6: Final answer
    x = 408,581.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.