Home / 726,321.76-1,089,511.92-253,055.04

Finding the Fourth Proportional to 726,321.76, 1,089,511.92 and 253,055.04

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Solution

The fourth proportional to 726,321.76, 1,089,511.92 and 253,055.04 is: 379,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,321.76 : 1,089,511.92 = 253,055.04 : x
  2. Step 2: Convert to fraction form
    726,321.76/1,089,511.92 = 253,055.04/x
  3. Step 3: Cross multiply
    726,321.76x = 1,089,511.92 × 253,055.04
  4. Step 4: Simplify right side
    726,321.76x = 275,706,482,496.08
  5. Step 5: Solve for x
    x = 275,706,482,496.08/726,321.76
  6. Step 6: Final answer
    x = 379,592.76

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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.