Home / 691,343.73-1,037,015.64-218,066.00

Finding the Fourth Proportional to 691,343.73, 1,037,015.64 and 218,066.00

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Solution

The fourth proportional to 691,343.73, 1,037,015.64 and 218,066.00 is: 327,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,343.73 : 1,037,015.64 = 218,066.00 : x
  2. Step 2: Convert to fraction form
    691,343.73/1,037,015.64 = 218,066.00/x
  3. Step 3: Cross multiply
    691,343.73x = 1,037,015.64 × 218,066.00
  4. Step 4: Simplify right side
    691,343.73x = 226,137,847,367.16
  5. Step 5: Solve for x
    x = 226,137,847,367.16/691,343.73
  6. Step 6: Final answer
    x = 327,099.01

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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.