Home / 726,006.83-1,089,009.56-220,565.75

Finding the Fourth Proportional to 726,006.83, 1,089,009.56 and 220,565.75

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Solution

The fourth proportional to 726,006.83, 1,089,009.56 and 220,565.75 is: 330,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,006.83 : 1,089,009.56 = 220,565.75 : x
  2. Step 2: Convert to fraction form
    726,006.83/1,089,009.56 = 220,565.75/x
  3. Step 3: Cross multiply
    726,006.83x = 1,089,009.56 × 220,565.75
  4. Step 4: Simplify right side
    726,006.83x = 240,198,205,464.94
  5. Step 5: Solve for x
    x = 240,198,205,464.94/726,006.83
  6. Step 6: Final answer
    x = 330,848.41

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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.