Home / 842,549.22-1,263,561.30-281,452.50

Finding the Fourth Proportional to 842,549.22, 1,263,561.30 and 281,452.50

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Solution

The fourth proportional to 842,549.22, 1,263,561.30 and 281,452.50 is: 422,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,549.22 : 1,263,561.30 = 281,452.50 : x
  2. Step 2: Convert to fraction form
    842,549.22/1,263,561.30 = 281,452.50/x
  3. Step 3: Cross multiply
    842,549.22x = 1,263,561.30 × 281,452.50
  4. Step 4: Simplify right side
    842,549.22x = 355,632,486,788.25
  5. Step 5: Solve for x
    x = 355,632,486,788.25/842,549.22
  6. Step 6: Final answer
    x = 422,091.05

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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.