Home / 467,917.91-645,569.66-381,727.90

Finding the Fourth Proportional to 467,917.91, 645,569.66 and 381,727.90

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Solution

The fourth proportional to 467,917.91, 645,569.66 and 381,727.90 is: 526,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,917.91 : 645,569.66 = 381,727.90 : x
  2. Step 2: Convert to fraction form
    467,917.91/645,569.66 = 381,727.90/x
  3. Step 3: Cross multiply
    467,917.91x = 645,569.66 × 381,727.90
  4. Step 4: Simplify right side
    467,917.91x = 246,431,947,092.95
  5. Step 5: Solve for x
    x = 246,431,947,092.95/467,917.91
  6. Step 6: Final answer
    x = 526,656.37

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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.