Home / 503,352.20-694,656-288,506.18

Finding the Fourth Proportional to 503,352.20, 694,656 and 288,506.18

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Solution

The fourth proportional to 503,352.20, 694,656 and 288,506.18 is: 398,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,352.20 : 694,656 = 288,506.18 : x
  2. Step 2: Convert to fraction form
    503,352.20/694,656 = 288,506.18/x
  3. Step 3: Cross multiply
    503,352.20x = 694,656 × 288,506.18
  4. Step 4: Simplify right side
    503,352.20x = 200,412,548,974.08
  5. Step 5: Solve for x
    x = 200,412,548,974.08/503,352.20
  6. Step 6: Final answer
    x = 398,155.70

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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.