Home / 451,789.71-676,352.93-395,739.33

Finding the Fourth Proportional to 451,789.71, 676,352.93 and 395,739.33

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Solution

The fourth proportional to 451,789.71, 676,352.93 and 395,739.33 is: 592,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,789.71 : 676,352.93 = 395,739.33 : x
  2. Step 2: Convert to fraction form
    451,789.71/676,352.93 = 395,739.33/x
  3. Step 3: Cross multiply
    451,789.71x = 676,352.93 × 395,739.33
  4. Step 4: Simplify right side
    451,789.71x = 267,659,453,383.04
  5. Step 5: Solve for x
    x = 267,659,453,383.04/451,789.71
  6. Step 6: Final answer
    x = 592,442.56

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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.