Home / 489,049.80-733,629.51-438,821.16

Finding the Fourth Proportional to 489,049.80, 733,629.51 and 438,821.16

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Solution

The fourth proportional to 489,049.80, 733,629.51 and 438,821.16 is: 658,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,049.80 : 733,629.51 = 438,821.16 : x
  2. Step 2: Convert to fraction form
    489,049.80/733,629.51 = 438,821.16/x
  3. Step 3: Cross multiply
    489,049.80x = 733,629.51 × 438,821.16
  4. Step 4: Simplify right side
    489,049.80x = 321,932,152,588.43
  5. Step 5: Solve for x
    x = 321,932,152,588.43/489,049.80
  6. Step 6: Final answer
    x = 658,280.92

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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.