Home / 723,862.08-1,085,884.92-274,739.76

Finding the Fourth Proportional to 723,862.08, 1,085,884.92 and 274,739.76

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Solution

The fourth proportional to 723,862.08, 1,085,884.92 and 274,739.76 is: 412,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,862.08 : 1,085,884.92 = 274,739.76 : x
  2. Step 2: Convert to fraction form
    723,862.08/1,085,884.92 = 274,739.76/x
  3. Step 3: Cross multiply
    723,862.08x = 1,085,884.92 × 274,739.76
  4. Step 4: Simplify right side
    723,862.08x = 298,335,762,308.42
  5. Step 5: Solve for x
    x = 298,335,762,308.42/723,862.08
  6. Step 6: Final answer
    x = 412,144.48

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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.