Home / 329,085.20-493,627.79-79,767.20

Finding the Fourth Proportional to 329,085.20, 493,627.79 and 79,767.20

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Solution

The fourth proportional to 329,085.20, 493,627.79 and 79,767.20 is: 119,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,085.20 : 493,627.79 = 79,767.20 : x
  2. Step 2: Convert to fraction form
    329,085.20/493,627.79 = 79,767.20/x
  3. Step 3: Cross multiply
    329,085.20x = 493,627.79 × 79,767.20
  4. Step 4: Simplify right side
    329,085.20x = 39,375,303,783.51
  5. Step 5: Solve for x
    x = 39,375,303,783.51/329,085.20
  6. Step 6: Final answer
    x = 119,650.79

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1.5x scale

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.