Home / 707,741.12-1,061,791.44-209,105.12

Finding the Fourth Proportional to 707,741.12, 1,061,791.44 and 209,105.12

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Solution

The fourth proportional to 707,741.12, 1,061,791.44 and 209,105.12 is: 313,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,741.12 : 1,061,791.44 = 209,105.12 : x
  2. Step 2: Convert to fraction form
    707,741.12/1,061,791.44 = 209,105.12/x
  3. Step 3: Cross multiply
    707,741.12x = 1,061,791.44 × 209,105.12
  4. Step 4: Simplify right side
    707,741.12x = 222,026,026,476.17
  5. Step 5: Solve for x
    x = 222,026,026,476.17/707,741.12
  6. Step 6: Final answer
    x = 313,710.79

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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.