Home / 669,489.90-1,004,382.48-220,192.62

Finding the Fourth Proportional to 669,489.90, 1,004,382.48 and 220,192.62

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Solution

The fourth proportional to 669,489.90, 1,004,382.48 and 220,192.62 is: 330,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,489.90 : 1,004,382.48 = 220,192.62 : x
  2. Step 2: Convert to fraction form
    669,489.90/1,004,382.48 = 220,192.62/x
  3. Step 3: Cross multiply
    669,489.90x = 1,004,382.48 × 220,192.62
  4. Step 4: Simplify right side
    669,489.90x = 221,157,609,753.30
  5. Step 5: Solve for x
    x = 221,157,609,753.30/669,489.90
  6. Step 6: Final answer
    x = 330,337.48

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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.