Home / 628,702.38-943,121.06-268,910.60

Finding the Fourth Proportional to 628,702.38, 943,121.06 and 268,910.60

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Solution

The fourth proportional to 628,702.38, 943,121.06 and 268,910.60 is: 403,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,702.38 : 943,121.06 = 268,910.60 : x
  2. Step 2: Convert to fraction form
    628,702.38/943,121.06 = 268,910.60/x
  3. Step 3: Cross multiply
    628,702.38x = 943,121.06 × 268,910.60
  4. Step 4: Simplify right side
    628,702.38x = 253,615,250,117.24
  5. Step 5: Solve for x
    x = 253,615,250,117.24/628,702.38
  6. Step 6: Final answer
    x = 403,394.77

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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.