Home / 711,921.81-1,067,970.88-262,645.03

Finding the Fourth Proportional to 711,921.81, 1,067,970.88 and 262,645.03

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Solution

The fourth proportional to 711,921.81, 1,067,970.88 and 262,645.03 is: 394,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,921.81 : 1,067,970.88 = 262,645.03 : x
  2. Step 2: Convert to fraction form
    711,921.81/1,067,970.88 = 262,645.03/x
  3. Step 3: Cross multiply
    711,921.81x = 1,067,970.88 × 262,645.03
  4. Step 4: Simplify right side
    711,921.81x = 280,497,244,002.62
  5. Step 5: Solve for x
    x = 280,497,244,002.62/711,921.81
  6. Step 6: Final answer
    x = 394,000.07

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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.