Home / 711,580.77-1,067,370.32-231,807.80

Finding the Fourth Proportional to 711,580.77, 1,067,370.32 and 231,807.80

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Solution

The fourth proportional to 711,580.77, 1,067,370.32 and 231,807.80 is: 347,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,580.77 : 1,067,370.32 = 231,807.80 : x
  2. Step 2: Convert to fraction form
    711,580.77/1,067,370.32 = 231,807.80/x
  3. Step 3: Cross multiply
    711,580.77x = 1,067,370.32 × 231,807.80
  4. Step 4: Simplify right side
    711,580.77x = 247,424,765,664.50
  5. Step 5: Solve for x
    x = 247,424,765,664.50/711,580.77
  6. Step 6: Final answer
    x = 347,711.43

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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.