Home / 711,735.80-1,067,616.05-262,225.28

Finding the Fourth Proportional to 711,735.80, 1,067,616.05 and 262,225.28

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Solution

The fourth proportional to 711,735.80, 1,067,616.05 and 262,225.28 is: 393,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,735.80 : 1,067,616.05 = 262,225.28 : x
  2. Step 2: Convert to fraction form
    711,735.80/1,067,616.05 = 262,225.28/x
  3. Step 3: Cross multiply
    711,735.80x = 1,067,616.05 × 262,225.28
  4. Step 4: Simplify right side
    711,735.80x = 279,955,919,001.66
  5. Step 5: Solve for x
    x = 279,955,919,001.66/711,735.80
  6. Step 6: Final answer
    x = 393,342.47

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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.