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Finding the Fourth Proportional to 503,444.24, 694,754.76 and 288,597.20

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Solution

The fourth proportional to 503,444.24, 694,754.76 and 288,597.20 is: 398,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,444.24 : 694,754.76 = 288,597.20 : x
  2. Step 2: Convert to fraction form
    503,444.24/694,754.76 = 288,597.20/x
  3. Step 3: Cross multiply
    503,444.24x = 694,754.76 × 288,597.20
  4. Step 4: Simplify right side
    503,444.24x = 200,504,278,422.67
  5. Step 5: Solve for x
    x = 200,504,278,422.67/503,444.24
  6. Step 6: Final answer
    x = 398,265.12

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1.5x scale

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.