Home / 503,331.30-694,627.13-288,485.18

Finding the Fourth Proportional to 503,331.30, 694,627.13 and 288,485.18

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Solution

The fourth proportional to 503,331.30, 694,627.13 and 288,485.18 is: 398,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,331.30 : 694,627.13 = 288,485.18 : x
  2. Step 2: Convert to fraction form
    503,331.30/694,627.13 = 288,485.18/x
  3. Step 3: Cross multiply
    503,331.30x = 694,627.13 × 288,485.18
  4. Step 4: Simplify right side
    503,331.30x = 200,389,632,630.93
  5. Step 5: Solve for x
    x = 200,389,632,630.93/503,331.30
  6. Step 6: Final answer
    x = 398,126.71

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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.