Home / 489,076.41-733,615.07-393,860.10

Finding the Fourth Proportional to 489,076.41, 733,615.07 and 393,860.10

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Solution

The fourth proportional to 489,076.41, 733,615.07 and 393,860.10 is: 590,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,076.41 : 733,615.07 = 393,860.10 : x
  2. Step 2: Convert to fraction form
    489,076.41/733,615.07 = 393,860.10/x
  3. Step 3: Cross multiply
    489,076.41x = 733,615.07 × 393,860.10
  4. Step 4: Simplify right side
    489,076.41x = 288,941,702,862.41
  5. Step 5: Solve for x
    x = 288,941,702,862.41/489,076.41
  6. Step 6: Final answer
    x = 590,790.51

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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.