Home / 628,700.38-943,118.06-268,908.60

Finding the Fourth Proportional to 628,700.38, 943,118.06 and 268,908.60

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Solution

The fourth proportional to 628,700.38, 943,118.06 and 268,908.60 is: 403,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,700.38 : 943,118.06 = 268,908.60 : x
  2. Step 2: Convert to fraction form
    628,700.38/943,118.06 = 268,908.60/x
  3. Step 3: Cross multiply
    628,700.38x = 943,118.06 × 268,908.60
  4. Step 4: Simplify right side
    628,700.38x = 253,612,557,149.32
  5. Step 5: Solve for x
    x = 253,612,557,149.32/628,700.38
  6. Step 6: Final answer
    x = 403,391.77

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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.