Home / 449,450.91-620,236.04-245,499.39

Finding the Fourth Proportional to 449,450.91, 620,236.04 and 245,499.39

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Solution

The fourth proportional to 449,450.91, 620,236.04 and 245,499.39 is: 338,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,450.91 : 620,236.04 = 245,499.39 : x
  2. Step 2: Convert to fraction form
    449,450.91/620,236.04 = 245,499.39/x
  3. Step 3: Cross multiply
    449,450.91x = 620,236.04 × 245,499.39
  4. Step 4: Simplify right side
    449,450.91x = 152,267,568,248.52
  5. Step 5: Solve for x
    x = 152,267,568,248.52/449,450.91
  6. Step 6: Final answer
    x = 338,785.76

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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.