Home / 497,976.30-687,260.52-304,497.41

Finding the Fourth Proportional to 497,976.30, 687,260.52 and 304,497.41

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Solution

The fourth proportional to 497,976.30, 687,260.52 and 304,497.41 is: 420,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,976.30 : 687,260.52 = 304,497.41 : x
  2. Step 2: Convert to fraction form
    497,976.30/687,260.52 = 304,497.41/x
  3. Step 3: Cross multiply
    497,976.30x = 687,260.52 × 304,497.41
  4. Step 4: Simplify right side
    497,976.30x = 209,269,048,335.25
  5. Step 5: Solve for x
    x = 209,269,048,335.25/497,976.30
  6. Step 6: Final answer
    x = 420,238.97

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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.