Home / 672,067.60-1,008,187.80-335,280.40

Finding the Fourth Proportional to 672,067.60, 1,008,187.80 and 335,280.40

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Solution

The fourth proportional to 672,067.60, 1,008,187.80 and 335,280.40 is: 502,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,067.60 : 1,008,187.80 = 335,280.40 : x
  2. Step 2: Convert to fraction form
    672,067.60/1,008,187.80 = 335,280.40/x
  3. Step 3: Cross multiply
    672,067.60x = 1,008,187.80 × 335,280.40
  4. Step 4: Simplify right side
    672,067.60x = 338,025,608,859.12
  5. Step 5: Solve for x
    x = 338,025,608,859.12/672,067.60
  6. Step 6: Final answer
    x = 502,963.70

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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.