Home / 842,800.48-1,263,937.20-281,703.76

Finding the Fourth Proportional to 842,800.48, 1,263,937.20 and 281,703.76

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Solution

The fourth proportional to 842,800.48, 1,263,937.20 and 281,703.76 is: 422,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,800.48 : 1,263,937.20 = 281,703.76 : x
  2. Step 2: Convert to fraction form
    842,800.48/1,263,937.20 = 281,703.76/x
  3. Step 3: Cross multiply
    842,800.48x = 1,263,937.20 × 281,703.76
  4. Step 4: Simplify right side
    842,800.48x = 356,055,861,643.87
  5. Step 5: Solve for x
    x = 356,055,861,643.87/842,800.48
  6. Step 6: Final answer
    x = 422,467.56

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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.