Home / 644,819.60-966,580.58-266,016.62

Finding the Fourth Proportional to 644,819.60, 966,580.58 and 266,016.62

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Solution

The fourth proportional to 644,819.60, 966,580.58 and 266,016.62 is: 398,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,819.60 : 966,580.58 = 266,016.62 : x
  2. Step 2: Convert to fraction form
    644,819.60/966,580.58 = 266,016.62/x
  3. Step 3: Cross multiply
    644,819.60x = 966,580.58 × 266,016.62
  4. Step 4: Simplify right side
    644,819.60x = 257,126,498,849.24
  5. Step 5: Solve for x
    x = 257,126,498,849.24/644,819.60
  6. Step 6: Final answer
    x = 398,757.26

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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.