Home / 842,464.08-1,263,761.40-281,500.56

Finding the Fourth Proportional to 842,464.08, 1,263,761.40 and 281,500.56

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Solution

The fourth proportional to 842,464.08, 1,263,761.40 and 281,500.56 is: 422,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,464.08 : 1,263,761.40 = 281,500.56 : x
  2. Step 2: Convert to fraction form
    842,464.08/1,263,761.40 = 281,500.56/x
  3. Step 3: Cross multiply
    842,464.08x = 1,263,761.40 × 281,500.56
  4. Step 4: Simplify right side
    842,464.08x = 355,749,541,806.38
  5. Step 5: Solve for x
    x = 355,749,541,806.38/842,464.08
  6. Step 6: Final answer
    x = 422,272.65

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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.