Home / 923,522.48-1,385,422.20-324,378

Finding the Fourth Proportional to 923,522.48, 1,385,422.20 and 324,378

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Solution

The fourth proportional to 923,522.48, 1,385,422.20 and 324,378 is: 486,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,522.48 : 1,385,422.20 = 324,378 : x
  2. Step 2: Convert to fraction form
    923,522.48/1,385,422.20 = 324,378/x
  3. Step 3: Cross multiply
    923,522.48x = 1,385,422.20 × 324,378
  4. Step 4: Simplify right side
    923,522.48x = 449,400,482,391.60
  5. Step 5: Solve for x
    x = 449,400,482,391.60/923,522.48
  6. Step 6: Final answer
    x = 486,615.64

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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.