Home / 329,819.24-493,981.32-258,296.06

Finding the Fourth Proportional to 329,819.24, 493,981.32 and 258,296.06

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Solution

The fourth proportional to 329,819.24, 493,981.32 and 258,296.06 is: 386,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,819.24 : 493,981.32 = 258,296.06 : x
  2. Step 2: Convert to fraction form
    329,819.24/493,981.32 = 258,296.06/x
  3. Step 3: Cross multiply
    329,819.24x = 493,981.32 × 258,296.06
  4. Step 4: Simplify right side
    329,819.24x = 127,593,428,669.60
  5. Step 5: Solve for x
    x = 127,593,428,669.60/329,819.24
  6. Step 6: Final answer
    x = 386,858.66

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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.