Home / 691,399.80-1,037,099.73-218,122.08

Finding the Fourth Proportional to 691,399.80, 1,037,099.73 and 218,122.08

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Solution

The fourth proportional to 691,399.80, 1,037,099.73 and 218,122.08 is: 327,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,399.80 : 1,037,099.73 = 218,122.08 : x
  2. Step 2: Convert to fraction form
    691,399.80/1,037,099.73 = 218,122.08/x
  3. Step 3: Cross multiply
    691,399.80x = 1,037,099.73 × 218,122.08
  4. Step 4: Simplify right side
    691,399.80x = 226,214,350,275.04
  5. Step 5: Solve for x
    x = 226,214,350,275.04/691,399.80
  6. Step 6: Final answer
    x = 327,183.13

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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.