Home / 711,687.64-1,067,363.78-262,164.36

Finding the Fourth Proportional to 711,687.64, 1,067,363.78 and 262,164.36

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Solution

The fourth proportional to 711,687.64, 1,067,363.78 and 262,164.36 is: 393,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,687.64 : 1,067,363.78 = 262,164.36 : x
  2. Step 2: Convert to fraction form
    711,687.64/1,067,363.78 = 262,164.36/x
  3. Step 3: Cross multiply
    711,687.64x = 1,067,363.78 × 262,164.36
  4. Step 4: Simplify right side
    711,687.64x = 279,824,742,270.88
  5. Step 5: Solve for x
    x = 279,824,742,270.88/711,687.64
  6. Step 6: Final answer
    x = 393,184.77

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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.