Home / 726,607.92-1,089,918-253,292.40

Finding the Fourth Proportional to 726,607.92, 1,089,918 and 253,292.40

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Solution

The fourth proportional to 726,607.92, 1,089,918 and 253,292.40 is: 379,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,607.92 : 1,089,918 = 253,292.40 : x
  2. Step 2: Convert to fraction form
    726,607.92/1,089,918 = 253,292.40/x
  3. Step 3: Cross multiply
    726,607.92x = 1,089,918 × 253,292.40
  4. Step 4: Simplify right side
    726,607.92x = 276,067,946,023.20
  5. Step 5: Solve for x
    x = 276,067,946,023.20/726,607.92
  6. Step 6: Final answer
    x = 379,940.73

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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.