Home / 721,555.33-1,082,028.51-216,188.17

Finding the Fourth Proportional to 721,555.33, 1,082,028.51 and 216,188.17

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Solution

The fourth proportional to 721,555.33, 1,082,028.51 and 216,188.17 is: 324,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,555.33 : 1,082,028.51 = 216,188.17 : x
  2. Step 2: Convert to fraction form
    721,555.33/1,082,028.51 = 216,188.17/x
  3. Step 3: Cross multiply
    721,555.33x = 1,082,028.51 × 216,188.17
  4. Step 4: Simplify right side
    721,555.33x = 233,921,763,464.73
  5. Step 5: Solve for x
    x = 233,921,763,464.73/721,555.33
  6. Step 6: Final answer
    x = 324,191.03

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1.5x scale

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.