Home / 330,418.20-496,016.10-328,085.40

Finding the Fourth Proportional to 330,418.20, 496,016.10 and 328,085.40

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Solution

The fourth proportional to 330,418.20, 496,016.10 and 328,085.40 is: 492,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,418.20 : 496,016.10 = 328,085.40 : x
  2. Step 2: Convert to fraction form
    330,418.20/496,016.10 = 328,085.40/x
  3. Step 3: Cross multiply
    330,418.20x = 496,016.10 × 328,085.40
  4. Step 4: Simplify right side
    330,418.20x = 162,735,640,574.94
  5. Step 5: Solve for x
    x = 162,735,640,574.94/330,418.20
  6. Step 6: Final answer
    x = 492,514.16

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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.