Home / 721,051.67-1,081,494.88-188,624.09

Finding the Fourth Proportional to 721,051.67, 1,081,494.88 and 188,624.09

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Solution

The fourth proportional to 721,051.67, 1,081,494.88 and 188,624.09 is: 282,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,051.67 : 1,081,494.88 = 188,624.09 : x
  2. Step 2: Convert to fraction form
    721,051.67/1,081,494.88 = 188,624.09/x
  3. Step 3: Cross multiply
    721,051.67x = 1,081,494.88 × 188,624.09
  4. Step 4: Simplify right side
    721,051.67x = 203,995,981,700.63
  5. Step 5: Solve for x
    x = 203,995,981,700.63/721,051.67
  6. Step 6: Final answer
    x = 282,914.51

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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.