Home / 842,532.86-1,263,799.38-281,567.36

Finding the Fourth Proportional to 842,532.86, 1,263,799.38 and 281,567.36

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Solution

The fourth proportional to 842,532.86, 1,263,799.38 and 281,567.36 is: 422,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,532.86 : 1,263,799.38 = 281,567.36 : x
  2. Step 2: Convert to fraction form
    842,532.86/1,263,799.38 = 281,567.36/x
  3. Step 3: Cross multiply
    842,532.86x = 1,263,799.38 × 281,567.36
  4. Step 4: Simplify right side
    842,532.86x = 355,844,654,996.24
  5. Step 5: Solve for x
    x = 355,844,654,996.24/842,532.86
  6. Step 6: Final answer
    x = 422,351.07

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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.