Home / 669,208.28-1,003,599.52-219,824.88

Finding the Fourth Proportional to 669,208.28, 1,003,599.52 and 219,824.88

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Solution

The fourth proportional to 669,208.28, 1,003,599.52 and 219,824.88 is: 329,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,208.28 : 1,003,599.52 = 219,824.88 : x
  2. Step 2: Convert to fraction form
    669,208.28/1,003,599.52 = 219,824.88/x
  3. Step 3: Cross multiply
    669,208.28x = 1,003,599.52 × 219,824.88
  4. Step 4: Simplify right side
    669,208.28x = 220,616,144,052.06
  5. Step 5: Solve for x
    x = 220,616,144,052.06/669,208.28
  6. Step 6: Final answer
    x = 329,667.39

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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.