Home / 726,140.63-1,089,216.34-252,825.23

Finding the Fourth Proportional to 726,140.63, 1,089,216.34 and 252,825.23

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Solution

The fourth proportional to 726,140.63, 1,089,216.34 and 252,825.23 is: 379,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,140.63 : 1,089,216.34 = 252,825.23 : x
  2. Step 2: Convert to fraction form
    726,140.63/1,089,216.34 = 252,825.23/x
  3. Step 3: Cross multiply
    726,140.63x = 1,089,216.34 × 252,825.23
  4. Step 4: Simplify right side
    726,140.63x = 275,381,365,602.11
  5. Step 5: Solve for x
    x = 275,381,365,602.11/726,140.63
  6. Step 6: Final answer
    x = 379,239.72

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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.