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Finding the Fourth Proportional to 533,400.60, 800,100.90 and 508,906.20

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Solution

The fourth proportional to 533,400.60, 800,100.90 and 508,906.20 is: 763,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,400.60 : 800,100.90 = 508,906.20 : x
  2. Step 2: Convert to fraction form
    533,400.60/800,100.90 = 508,906.20/x
  3. Step 3: Cross multiply
    533,400.60x = 800,100.90 × 508,906.20
  4. Step 4: Simplify right side
    533,400.60x = 407,176,308,635.58
  5. Step 5: Solve for x
    x = 407,176,308,635.58/533,400.60
  6. Step 6: Final answer
    x = 763,359.30

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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.