Home / 669,724.35-1,004,724.88-220,472.23

Finding the Fourth Proportional to 669,724.35, 1,004,724.88 and 220,472.23

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Solution

The fourth proportional to 669,724.35, 1,004,724.88 and 220,472.23 is: 330,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,724.35 : 1,004,724.88 = 220,472.23 : x
  2. Step 2: Convert to fraction form
    669,724.35/1,004,724.88 = 220,472.23/x
  3. Step 3: Cross multiply
    669,724.35x = 1,004,724.88 × 220,472.23
  4. Step 4: Simplify right side
    669,724.35x = 221,513,932,869.45
  5. Step 5: Solve for x
    x = 221,513,932,869.45/669,724.35
  6. Step 6: Final answer
    x = 330,753.89

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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.