Home / 718,523.22-1,078,179.75-269,554.26

Finding the Fourth Proportional to 718,523.22, 1,078,179.75 and 269,554.26

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Solution

The fourth proportional to 718,523.22, 1,078,179.75 and 269,554.26 is: 404,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,523.22 : 1,078,179.75 = 269,554.26 : x
  2. Step 2: Convert to fraction form
    718,523.22/1,078,179.75 = 269,554.26/x
  3. Step 3: Cross multiply
    718,523.22x = 1,078,179.75 × 269,554.26
  4. Step 4: Simplify right side
    718,523.22x = 290,627,944,658.24
  5. Step 5: Solve for x
    x = 290,627,944,658.24/718,523.22
  6. Step 6: Final answer
    x = 404,479.54

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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.