Home / 669,517.16-1,004,164.90-220,243.64

Finding the Fourth Proportional to 669,517.16, 1,004,164.90 and 220,243.64

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Solution

The fourth proportional to 669,517.16, 1,004,164.90 and 220,243.64 is: 330,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,517.16 : 1,004,164.90 = 220,243.64 : x
  2. Step 2: Convert to fraction form
    669,517.16/1,004,164.90 = 220,243.64/x
  3. Step 3: Cross multiply
    669,517.16x = 1,004,164.90 × 220,243.64
  4. Step 4: Simplify right side
    669,517.16x = 221,160,927,164.80
  5. Step 5: Solve for x
    x = 221,160,927,164.80/669,517.16
  6. Step 6: Final answer
    x = 330,328.99

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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.