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Finding the Fourth Proportional to 407,179.62, 610,769.43 and 220,555.62

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Solution

The fourth proportional to 407,179.62, 610,769.43 and 220,555.62 is: 330,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,179.62 : 610,769.43 = 220,555.62 : x
  2. Step 2: Convert to fraction form
    407,179.62/610,769.43 = 220,555.62/x
  3. Step 3: Cross multiply
    407,179.62x = 610,769.43 × 220,555.62
  4. Step 4: Simplify right side
    407,179.62x = 134,708,630,310.70
  5. Step 5: Solve for x
    x = 134,708,630,310.70/407,179.62
  6. Step 6: Final answer
    x = 330,833.43

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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.