Home / 721,054.85-1,081,499.66-188,627.27

Finding the Fourth Proportional to 721,054.85, 1,081,499.66 and 188,627.27

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Solution

The fourth proportional to 721,054.85, 1,081,499.66 and 188,627.27 is: 282,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,054.85 : 1,081,499.66 = 188,627.27 : x
  2. Step 2: Convert to fraction form
    721,054.85/1,081,499.66 = 188,627.27/x
  3. Step 3: Cross multiply
    721,054.85x = 1,081,499.66 × 188,627.27
  4. Step 4: Simplify right side
    721,054.85x = 204,000,330,132.34
  5. Step 5: Solve for x
    x = 204,000,330,132.34/721,054.85
  6. Step 6: Final answer
    x = 282,919.29

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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.