Home / 669,206.28-1,003,596.53-219,822.89

Finding the Fourth Proportional to 669,206.28, 1,003,596.53 and 219,822.89

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Solution

The fourth proportional to 669,206.28, 1,003,596.53 and 219,822.89 is: 329,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,206.28 : 1,003,596.53 = 219,822.89 : x
  2. Step 2: Convert to fraction form
    669,206.28/1,003,596.53 = 219,822.89/x
  3. Step 3: Cross multiply
    669,206.28x = 1,003,596.53 × 219,822.89
  4. Step 4: Simplify right side
    669,206.28x = 220,613,487,560.59
  5. Step 5: Solve for x
    x = 220,613,487,560.59/669,206.28
  6. Step 6: Final answer
    x = 329,664.40

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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.