Home / 493,216.12-680,565.27-299,523.10

Finding the Fourth Proportional to 493,216.12, 680,565.27 and 299,523.10

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Solution

The fourth proportional to 493,216.12, 680,565.27 and 299,523.10 is: 413,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,216.12 : 680,565.27 = 299,523.10 : x
  2. Step 2: Convert to fraction form
    493,216.12/680,565.27 = 299,523.10/x
  3. Step 3: Cross multiply
    493,216.12x = 680,565.27 × 299,523.10
  4. Step 4: Simplify right side
    493,216.12x = 203,845,019,422.74
  5. Step 5: Solve for x
    x = 203,845,019,422.74/493,216.12
  6. Step 6: Final answer
    x = 413,297.56

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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.