Home / 726,186.88-1,089,285.14-252,870.64

Finding the Fourth Proportional to 726,186.88, 1,089,285.14 and 252,870.64

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Solution

The fourth proportional to 726,186.88, 1,089,285.14 and 252,870.64 is: 379,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,186.88 : 1,089,285.14 = 252,870.64 : x
  2. Step 2: Convert to fraction form
    726,186.88/1,089,285.14 = 252,870.64/x
  3. Step 3: Cross multiply
    726,186.88x = 1,089,285.14 × 252,870.64
  4. Step 4: Simplify right side
    726,186.88x = 275,448,230,494.29
  5. Step 5: Solve for x
    x = 275,448,230,494.29/726,186.88
  6. Step 6: Final answer
    x = 379,307.64

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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.