Home / 449,850.24-620,784.96-248,641.92

Finding the Fourth Proportional to 449,850.24, 620,784.96 and 248,641.92

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Solution

The fourth proportional to 449,850.24, 620,784.96 and 248,641.92 is: 343,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,850.24 : 620,784.96 = 248,641.92 : x
  2. Step 2: Convert to fraction form
    449,850.24/620,784.96 = 248,641.92/x
  3. Step 3: Cross multiply
    449,850.24x = 620,784.96 × 248,641.92
  4. Step 4: Simplify right side
    449,850.24x = 154,353,164,361.52
  5. Step 5: Solve for x
    x = 154,353,164,361.52/449,850.24
  6. Step 6: Final answer
    x = 343,121.22

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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.