Home / 726,186.86-1,089,285.18-252,870.68

Finding the Fourth Proportional to 726,186.86, 1,089,285.18 and 252,870.68

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Solution

The fourth proportional to 726,186.86, 1,089,285.18 and 252,870.68 is: 379,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,186.86 : 1,089,285.18 = 252,870.68 : x
  2. Step 2: Convert to fraction form
    726,186.86/1,089,285.18 = 252,870.68/x
  3. Step 3: Cross multiply
    726,186.86x = 1,089,285.18 × 252,870.68
  4. Step 4: Simplify right side
    726,186.86x = 275,448,284,180.52
  5. Step 5: Solve for x
    x = 275,448,284,180.52/726,186.86
  6. Step 6: Final answer
    x = 379,307.72

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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.