Home / 449,823.36-620,795.76-248,658.24

Finding the Fourth Proportional to 449,823.36, 620,795.76 and 248,658.24

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Solution

The fourth proportional to 449,823.36, 620,795.76 and 248,658.24 is: 343,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,823.36 : 620,795.76 = 248,658.24 : x
  2. Step 2: Convert to fraction form
    449,823.36/620,795.76 = 248,658.24/x
  3. Step 3: Cross multiply
    449,823.36x = 620,795.76 × 248,658.24
  4. Step 4: Simplify right side
    449,823.36x = 154,365,981,081.06
  5. Step 5: Solve for x
    x = 154,365,981,081.06/449,823.36
  6. Step 6: Final answer
    x = 343,170.22

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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.