Home / 777,745.43-1,073,321.79-433,581.29

Finding the Fourth Proportional to 777,745.43, 1,073,321.79 and 433,581.29

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Solution

The fourth proportional to 777,745.43, 1,073,321.79 and 433,581.29 is: 598,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,745.43 : 1,073,321.79 = 433,581.29 : x
  2. Step 2: Convert to fraction form
    777,745.43/1,073,321.79 = 433,581.29/x
  3. Step 3: Cross multiply
    777,745.43x = 1,073,321.79 × 433,581.29
  4. Step 4: Simplify right side
    777,745.43x = 465,372,246,293.31
  5. Step 5: Solve for x
    x = 465,372,246,293.31/777,745.43
  6. Step 6: Final answer
    x = 598,360.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.