Home / 842,518.56-1,263,777.85-281,553.06

Finding the Fourth Proportional to 842,518.56, 1,263,777.85 and 281,553.06

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Solution

The fourth proportional to 842,518.56, 1,263,777.85 and 281,553.06 is: 422,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,518.56 : 1,263,777.85 = 281,553.06 : x
  2. Step 2: Convert to fraction form
    842,518.56/1,263,777.85 = 281,553.06/x
  3. Step 3: Cross multiply
    842,518.56x = 1,263,777.85 × 281,553.06
  4. Step 4: Simplify right side
    842,518.56x = 355,820,520,827.72
  5. Step 5: Solve for x
    x = 355,820,520,827.72/842,518.56
  6. Step 6: Final answer
    x = 422,329.59

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Similar ratio
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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.