Home / 923,576.12-1,385,571.72-324,578.60

Finding the Fourth Proportional to 923,576.12, 1,385,571.72 and 324,578.60

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Solution

The fourth proportional to 923,576.12, 1,385,571.72 and 324,578.60 is: 486,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,576.12 : 1,385,571.72 = 324,578.60 : x
  2. Step 2: Convert to fraction form
    923,576.12/1,385,571.72 = 324,578.60/x
  3. Step 3: Cross multiply
    923,576.12x = 1,385,571.72 × 324,578.60
  4. Step 4: Simplify right side
    923,576.12x = 449,726,929,077.19
  5. Step 5: Solve for x
    x = 449,726,929,077.19/923,576.12
  6. Step 6: Final answer
    x = 486,940.84

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1.5x scale

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.