Home / 711,406.72-1,067,031.48-178,927.96

Finding the Fourth Proportional to 711,406.72, 1,067,031.48 and 178,927.96

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Solution

The fourth proportional to 711,406.72, 1,067,031.48 and 178,927.96 is: 268,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,406.72 : 1,067,031.48 = 178,927.96 : x
  2. Step 2: Convert to fraction form
    711,406.72/1,067,031.48 = 178,927.96/x
  3. Step 3: Cross multiply
    711,406.72x = 1,067,031.48 × 178,927.96
  4. Step 4: Simplify right side
    711,406.72x = 190,921,765,972.18
  5. Step 5: Solve for x
    x = 190,921,765,972.18/711,406.72
  6. Step 6: Final answer
    x = 268,372.17

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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.