Home / 827,260.35-1,240,891.49-258,644.42

Finding the Fourth Proportional to 827,260.35, 1,240,891.49 and 258,644.42

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Solution

The fourth proportional to 827,260.35, 1,240,891.49 and 258,644.42 is: 387,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,260.35 : 1,240,891.49 = 258,644.42 : x
  2. Step 2: Convert to fraction form
    827,260.35/1,240,891.49 = 258,644.42/x
  3. Step 3: Cross multiply
    827,260.35x = 1,240,891.49 × 258,644.42
  4. Step 4: Simplify right side
    827,260.35x = 320,949,662,492.91
  5. Step 5: Solve for x
    x = 320,949,662,492.91/827,260.35
  6. Step 6: Final answer
    x = 387,966.94

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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.