Home / 442,025.10-610,067.79-260,781.39

Finding the Fourth Proportional to 442,025.10, 610,067.79 and 260,781.39

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Solution

The fourth proportional to 442,025.10, 610,067.79 and 260,781.39 is: 359,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,025.10 : 610,067.79 = 260,781.39 : x
  2. Step 2: Convert to fraction form
    442,025.10/610,067.79 = 260,781.39/x
  3. Step 3: Cross multiply
    442,025.10x = 610,067.79 × 260,781.39
  4. Step 4: Simplify right side
    442,025.10x = 159,094,326,270.43
  5. Step 5: Solve for x
    x = 159,094,326,270.43/442,025.10
  6. Step 6: Final answer
    x = 359,921.48

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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.