Home / 757,807.20-1,136,766.60-218,041.56

Finding the Fourth Proportional to 757,807.20, 1,136,766.60 and 218,041.56

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Solution

The fourth proportional to 757,807.20, 1,136,766.60 and 218,041.56 is: 327,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,807.20 : 1,136,766.60 = 218,041.56 : x
  2. Step 2: Convert to fraction form
    757,807.20/1,136,766.60 = 218,041.56/x
  3. Step 3: Cross multiply
    757,807.20x = 1,136,766.60 × 218,041.56
  4. Step 4: Simplify right side
    757,807.20x = 247,862,362,819.90
  5. Step 5: Solve for x
    x = 247,862,362,819.90/757,807.20
  6. Step 6: Final answer
    x = 327,078.40

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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.