Home / 842,322.60-1,263,550.14-281,359.08

Finding the Fourth Proportional to 842,322.60, 1,263,550.14 and 281,359.08

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Solution

The fourth proportional to 842,322.60, 1,263,550.14 and 281,359.08 is: 422,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,322.60 : 1,263,550.14 = 281,359.08 : x
  2. Step 2: Convert to fraction form
    842,322.60/1,263,550.14 = 281,359.08/x
  3. Step 3: Cross multiply
    842,322.60x = 1,263,550.14 × 281,359.08
  4. Step 4: Simplify right side
    842,322.60x = 355,511,304,924.27
  5. Step 5: Solve for x
    x = 355,511,304,924.27/842,322.60
  6. Step 6: Final answer
    x = 422,060.75

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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.