Home / 842,451.12-1,263,898.26-302,761.92

Finding the Fourth Proportional to 842,451.12, 1,263,898.26 and 302,761.92

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Solution

The fourth proportional to 842,451.12, 1,263,898.26 and 302,761.92 is: 454,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,451.12 : 1,263,898.26 = 302,761.92 : x
  2. Step 2: Convert to fraction form
    842,451.12/1,263,898.26 = 302,761.92/x
  3. Step 3: Cross multiply
    842,451.12x = 1,263,898.26 × 302,761.92
  4. Step 4: Simplify right side
    842,451.12x = 382,660,263,882.26
  5. Step 5: Solve for x
    x = 382,660,263,882.26/842,451.12
  6. Step 6: Final answer
    x = 454,222.51

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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.