Home / 842,514.56-1,263,771.85-281,549.06

Finding the Fourth Proportional to 842,514.56, 1,263,771.85 and 281,549.06

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Solution

The fourth proportional to 842,514.56, 1,263,771.85 and 281,549.06 is: 422,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,514.56 : 1,263,771.85 = 281,549.06 : x
  2. Step 2: Convert to fraction form
    842,514.56/1,263,771.85 = 281,549.06/x
  3. Step 3: Cross multiply
    842,514.56x = 1,263,771.85 × 281,549.06
  4. Step 4: Simplify right side
    842,514.56x = 355,813,778,877.52
  5. Step 5: Solve for x
    x = 355,813,778,877.52/842,514.56
  6. Step 6: Final answer
    x = 422,323.60

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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.