Home / 856,932.62-1,285,579.15-324,441.86

Finding the Fourth Proportional to 856,932.62, 1,285,579.15 and 324,441.86

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Solution

The fourth proportional to 856,932.62, 1,285,579.15 and 324,441.86 is: 486,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,932.62 : 1,285,579.15 = 324,441.86 : x
  2. Step 2: Convert to fraction form
    856,932.62/1,285,579.15 = 324,441.86/x
  3. Step 3: Cross multiply
    856,932.62x = 1,285,579.15 × 324,441.86
  4. Step 4: Simplify right side
    856,932.62x = 417,095,683,364.22
  5. Step 5: Solve for x
    x = 417,095,683,364.22/856,932.62
  6. Step 6: Final answer
    x = 486,731.02

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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.