Home / 872,427.20-1,308,640.74-241,324.60

Finding the Fourth Proportional to 872,427.20, 1,308,640.74 and 241,324.60

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Solution

The fourth proportional to 872,427.20, 1,308,640.74 and 241,324.60 is: 361,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,427.20 : 1,308,640.74 = 241,324.60 : x
  2. Step 2: Convert to fraction form
    872,427.20/1,308,640.74 = 241,324.60/x
  3. Step 3: Cross multiply
    872,427.20x = 1,308,640.74 × 241,324.60
  4. Step 4: Simplify right side
    872,427.20x = 315,807,203,124.20
  5. Step 5: Solve for x
    x = 315,807,203,124.20/872,427.20
  6. Step 6: Final answer
    x = 361,986.88

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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.