Home / 741,591.22-1,023,020.31-469,200.37

Finding the Fourth Proportional to 741,591.22, 1,023,020.31 and 469,200.37

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Solution

The fourth proportional to 741,591.22, 1,023,020.31 and 469,200.37 is: 647,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,591.22 : 1,023,020.31 = 469,200.37 : x
  2. Step 2: Convert to fraction form
    741,591.22/1,023,020.31 = 469,200.37/x
  3. Step 3: Cross multiply
    741,591.22x = 1,023,020.31 × 469,200.37
  4. Step 4: Simplify right side
    741,591.22x = 480,001,507,969.52
  5. Step 5: Solve for x
    x = 480,001,507,969.52/741,591.22
  6. Step 6: Final answer
    x = 647,258.89

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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.