Home / 726,354.92-1,089,528.73-186,610.61

Finding the Fourth Proportional to 726,354.92, 1,089,528.73 and 186,610.61

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Solution

The fourth proportional to 726,354.92, 1,089,528.73 and 186,610.61 is: 279,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,354.92 : 1,089,528.73 = 186,610.61 : x
  2. Step 2: Convert to fraction form
    726,354.92/1,089,528.73 = 186,610.61/x
  3. Step 3: Cross multiply
    726,354.92x = 1,089,528.73 × 186,610.61
  4. Step 4: Simplify right side
    726,354.92x = 203,317,620,917.83
  5. Step 5: Solve for x
    x = 203,317,620,917.83/726,354.92
  6. Step 6: Final answer
    x = 279,914.98

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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.