Home / 791,056.27-1,186,490.31-206,777.35

Finding the Fourth Proportional to 791,056.27, 1,186,490.31 and 206,777.35

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Solution

The fourth proportional to 791,056.27, 1,186,490.31 and 206,777.35 is: 310,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,056.27 : 1,186,490.31 = 206,777.35 : x
  2. Step 2: Convert to fraction form
    791,056.27/1,186,490.31 = 206,777.35/x
  3. Step 3: Cross multiply
    791,056.27x = 1,186,490.31 × 206,777.35
  4. Step 4: Simplify right side
    791,056.27x = 245,339,322,102.48
  5. Step 5: Solve for x
    x = 245,339,322,102.48/791,056.27
  6. Step 6: Final answer
    x = 310,141.43

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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.