Home / 745,245.12-1,118,199.90-271,819.80

Finding the Fourth Proportional to 745,245.12, 1,118,199.90 and 271,819.80

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Solution

The fourth proportional to 745,245.12, 1,118,199.90 and 271,819.80 is: 407,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,245.12 : 1,118,199.90 = 271,819.80 : x
  2. Step 2: Convert to fraction form
    745,245.12/1,118,199.90 = 271,819.80/x
  3. Step 3: Cross multiply
    745,245.12x = 1,118,199.90 × 271,819.80
  4. Step 4: Simplify right side
    745,245.12x = 303,948,873,178.02
  5. Step 5: Solve for x
    x = 303,948,873,178.02/745,245.12
  6. Step 6: Final answer
    x = 407,850.87

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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.