Home / 503,839.54-694,488.18-340,445.02

Finding the Fourth Proportional to 503,839.54, 694,488.18 and 340,445.02

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Solution

The fourth proportional to 503,839.54, 694,488.18 and 340,445.02 is: 469,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,839.54 : 694,488.18 = 340,445.02 : x
  2. Step 2: Convert to fraction form
    503,839.54/694,488.18 = 340,445.02/x
  3. Step 3: Cross multiply
    503,839.54x = 694,488.18 × 340,445.02
  4. Step 4: Simplify right side
    503,839.54x = 236,435,042,329.86
  5. Step 5: Solve for x
    x = 236,435,042,329.86/503,839.54
  6. Step 6: Final answer
    x = 469,266.55

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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.