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Finding the Fourth Proportional to 533,333.80, 800,000.70 and 333,879.40

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Solution

The fourth proportional to 533,333.80, 800,000.70 and 333,879.40 is: 500,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,333.80 : 800,000.70 = 333,879.40 : x
  2. Step 2: Convert to fraction form
    533,333.80/800,000.70 = 333,879.40/x
  3. Step 3: Cross multiply
    533,333.80x = 800,000.70 × 333,879.40
  4. Step 4: Simplify right side
    533,333.80x = 267,103,753,715.58
  5. Step 5: Solve for x
    x = 267,103,753,715.58/533,333.80
  6. Step 6: Final answer
    x = 500,819.10

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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.