Home / 449,736.20-620,635.56-248,532.20

Finding the Fourth Proportional to 449,736.20, 620,635.56 and 248,532.20

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Solution

The fourth proportional to 449,736.20, 620,635.56 and 248,532.20 is: 342,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,736.20 : 620,635.56 = 248,532.20 : x
  2. Step 2: Convert to fraction form
    449,736.20/620,635.56 = 248,532.20/x
  3. Step 3: Cross multiply
    449,736.20x = 620,635.56 × 248,532.20
  4. Step 4: Simplify right side
    449,736.20x = 154,247,921,125.03
  5. Step 5: Solve for x
    x = 154,247,921,125.03/449,736.20
  6. Step 6: Final answer
    x = 342,974.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.