Home / 669,292.80-1,003,865.76-195,982.88

Finding the Fourth Proportional to 669,292.80, 1,003,865.76 and 195,982.88

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Solution

The fourth proportional to 669,292.80, 1,003,865.76 and 195,982.88 is: 293,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,292.80 : 1,003,865.76 = 195,982.88 : x
  2. Step 2: Convert to fraction form
    669,292.80/1,003,865.76 = 195,982.88/x
  3. Step 3: Cross multiply
    669,292.80x = 1,003,865.76 × 195,982.88
  4. Step 4: Simplify right side
    669,292.80x = 196,740,502,778.19
  5. Step 5: Solve for x
    x = 196,740,502,778.19/669,292.80
  6. Step 6: Final answer
    x = 293,952.82

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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.