Home / 711,487.83-1,067,287.23-206,056.35

Finding the Fourth Proportional to 711,487.83, 1,067,287.23 and 206,056.35

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Solution

The fourth proportional to 711,487.83, 1,067,287.23 and 206,056.35 is: 309,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,487.83 : 1,067,287.23 = 206,056.35 : x
  2. Step 2: Convert to fraction form
    711,487.83/1,067,287.23 = 206,056.35/x
  3. Step 3: Cross multiply
    711,487.83x = 1,067,287.23 × 206,056.35
  4. Step 4: Simplify right side
    711,487.83x = 219,921,311,015.41
  5. Step 5: Solve for x
    x = 219,921,311,015.41/711,487.83
  6. Step 6: Final answer
    x = 309,100.59

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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.