Home / 843,854.24-1,265,782.32-311,144.48

Finding the Fourth Proportional to 843,854.24, 1,265,782.32 and 311,144.48

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Solution

The fourth proportional to 843,854.24, 1,265,782.32 and 311,144.48 is: 466,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,854.24 : 1,265,782.32 = 311,144.48 : x
  2. Step 2: Convert to fraction form
    843,854.24/1,265,782.32 = 311,144.48/x
  3. Step 3: Cross multiply
    843,854.24x = 1,265,782.32 × 311,144.48
  4. Step 4: Simplify right side
    843,854.24x = 393,841,181,749.59
  5. Step 5: Solve for x
    x = 393,841,181,749.59/843,854.24
  6. Step 6: Final answer
    x = 466,717.07

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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.