Home / 441,989.20-663,561.96-262,402.48

Finding the Fourth Proportional to 441,989.20, 663,561.96 and 262,402.48

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Solution

The fourth proportional to 441,989.20, 663,561.96 and 262,402.48 is: 393,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,989.20 : 663,561.96 = 262,402.48 : x
  2. Step 2: Convert to fraction form
    441,989.20/663,561.96 = 262,402.48/x
  3. Step 3: Cross multiply
    441,989.20x = 663,561.96 × 262,402.48
  4. Step 4: Simplify right side
    441,989.20x = 174,120,303,937.66
  5. Step 5: Solve for x
    x = 174,120,303,937.66/441,989.20
  6. Step 6: Final answer
    x = 393,946.97

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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.