Home / 628,702.63-943,121.43-268,910.85

Finding the Fourth Proportional to 628,702.63, 943,121.43 and 268,910.85

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Solution

The fourth proportional to 628,702.63, 943,121.43 and 268,910.85 is: 403,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,702.63 : 943,121.43 = 268,910.85 : x
  2. Step 2: Convert to fraction form
    628,702.63/943,121.43 = 268,910.85/x
  3. Step 3: Cross multiply
    628,702.63x = 943,121.43 × 268,910.85
  4. Step 4: Simplify right side
    628,702.63x = 253,615,585,394.52
  5. Step 5: Solve for x
    x = 253,615,585,394.52/628,702.63
  6. Step 6: Final answer
    x = 403,395.14

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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.