Home / 322,582.10-482,951.55-285,718.10

Finding the Fourth Proportional to 322,582.10, 482,951.55 and 285,718.10

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Solution

The fourth proportional to 322,582.10, 482,951.55 and 285,718.10 is: 427,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,582.10 : 482,951.55 = 285,718.10 : x
  2. Step 2: Convert to fraction form
    322,582.10/482,951.55 = 285,718.10/x
  3. Step 3: Cross multiply
    322,582.10x = 482,951.55 × 285,718.10
  4. Step 4: Simplify right side
    322,582.10x = 137,987,999,258.06
  5. Step 5: Solve for x
    x = 137,987,999,258.06/322,582.10
  6. Step 6: Final answer
    x = 427,760.87

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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.