Home / 711,912.56-1,067,991.96-238,643.60

Finding the Fourth Proportional to 711,912.56, 1,067,991.96 and 238,643.60

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Solution

The fourth proportional to 711,912.56, 1,067,991.96 and 238,643.60 is: 358,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,912.56 : 1,067,991.96 = 238,643.60 : x
  2. Step 2: Convert to fraction form
    711,912.56/1,067,991.96 = 238,643.60/x
  3. Step 3: Cross multiply
    711,912.56x = 1,067,991.96 × 238,643.60
  4. Step 4: Simplify right side
    711,912.56x = 254,869,446,105.46
  5. Step 5: Solve for x
    x = 254,869,446,105.46/711,912.56
  6. Step 6: Final answer
    x = 358,006.67

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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.