Home / 721,074.74-1,081,529.48-188,647.16

Finding the Fourth Proportional to 721,074.74, 1,081,529.48 and 188,647.16

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Solution

The fourth proportional to 721,074.74, 1,081,529.48 and 188,647.16 is: 282,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,074.74 : 1,081,529.48 = 188,647.16 : x
  2. Step 2: Convert to fraction form
    721,074.74/1,081,529.48 = 188,647.16/x
  3. Step 3: Cross multiply
    721,074.74x = 1,081,529.48 × 188,647.16
  4. Step 4: Simplify right side
    721,074.74x = 204,027,458,507.39
  5. Step 5: Solve for x
    x = 204,027,458,507.39/721,074.74
  6. Step 6: Final answer
    x = 282,949.12

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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.