Home / 720,193.24-1,080,600.90-404,176.60

Finding the Fourth Proportional to 720,193.24, 1,080,600.90 and 404,176.60

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Solution

The fourth proportional to 720,193.24, 1,080,600.90 and 404,176.60 is: 606,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,193.24 : 1,080,600.90 = 404,176.60 : x
  2. Step 2: Convert to fraction form
    720,193.24/1,080,600.90 = 404,176.60/x
  3. Step 3: Cross multiply
    720,193.24x = 1,080,600.90 × 404,176.60
  4. Step 4: Simplify right side
    720,193.24x = 436,753,597,718.94
  5. Step 5: Solve for x
    x = 436,753,597,718.94/720,193.24
  6. Step 6: Final answer
    x = 606,439.46

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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.