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Finding the Fourth Proportional to 503,392.84, 694,581.42 and 288,600.28

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Solution

The fourth proportional to 503,392.84, 694,581.42 and 288,600.28 is: 398,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,392.84 : 694,581.42 = 288,600.28 : x
  2. Step 2: Convert to fraction form
    503,392.84/694,581.42 = 288,600.28/x
  3. Step 3: Cross multiply
    503,392.84x = 694,581.42 × 288,600.28
  4. Step 4: Simplify right side
    503,392.84x = 200,456,392,294.80
  5. Step 5: Solve for x
    x = 200,456,392,294.80/503,392.84
  6. Step 6: Final answer
    x = 398,210.65

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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.