Home / 741,757.50-1,112,536.62-209,321.28

Finding the Fourth Proportional to 741,757.50, 1,112,536.62 and 209,321.28

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Solution

The fourth proportional to 741,757.50, 1,112,536.62 and 209,321.28 is: 313,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,757.50 : 1,112,536.62 = 209,321.28 : x
  2. Step 2: Convert to fraction form
    741,757.50/1,112,536.62 = 209,321.28/x
  3. Step 3: Cross multiply
    741,757.50x = 1,112,536.62 × 209,321.28
  4. Step 4: Simplify right side
    741,757.50x = 232,877,589,345.27
  5. Step 5: Solve for x
    x = 232,877,589,345.27/741,757.50
  6. Step 6: Final answer
    x = 313,953.80

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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.