Home / 721,504.93-1,082,226.34-189,014.17

Finding the Fourth Proportional to 721,504.93, 1,082,226.34 and 189,014.17

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Solution

The fourth proportional to 721,504.93, 1,082,226.34 and 189,014.17 is: 283,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,504.93 : 1,082,226.34 = 189,014.17 : x
  2. Step 2: Convert to fraction form
    721,504.93/1,082,226.34 = 189,014.17/x
  3. Step 3: Cross multiply
    721,504.93x = 1,082,226.34 × 189,014.17
  4. Step 4: Simplify right side
    721,504.93x = 204,556,107,051.04
  5. Step 5: Solve for x
    x = 204,556,107,051.04/721,504.93
  6. Step 6: Final answer
    x = 283,513.11

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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.