Home / 842,511.38-1,263,767.06-281,545.88

Finding the Fourth Proportional to 842,511.38, 1,263,767.06 and 281,545.88

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Solution

The fourth proportional to 842,511.38, 1,263,767.06 and 281,545.88 is: 422,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,511.38 : 1,263,767.06 = 281,545.88 : x
  2. Step 2: Convert to fraction form
    842,511.38/1,263,767.06 = 281,545.88/x
  3. Step 3: Cross multiply
    842,511.38x = 1,263,767.06 × 281,545.88
  4. Step 4: Simplify right side
    842,511.38x = 355,808,403,407.74
  5. Step 5: Solve for x
    x = 355,808,403,407.74/842,511.38
  6. Step 6: Final answer
    x = 422,318.81

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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.