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Finding the Fourth Proportional to 534,532.20, 801,797.76 and 218,989.68

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Solution

The fourth proportional to 534,532.20, 801,797.76 and 218,989.68 is: 328,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,532.20 : 801,797.76 = 218,989.68 : x
  2. Step 2: Convert to fraction form
    534,532.20/801,797.76 = 218,989.68/x
  3. Step 3: Cross multiply
    534,532.20x = 801,797.76 × 218,989.68
  4. Step 4: Simplify right side
    534,532.20x = 175,585,434,887.12
  5. Step 5: Solve for x
    x = 175,585,434,887.12/534,532.20
  6. Step 6: Final answer
    x = 328,484.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.