Home / 789,829.88-1,089,522.36-484,054.47

Finding the Fourth Proportional to 789,829.88, 1,089,522.36 and 484,054.47

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Solution

The fourth proportional to 789,829.88, 1,089,522.36 and 484,054.47 is: 667,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,829.88 : 1,089,522.36 = 484,054.47 : x
  2. Step 2: Convert to fraction form
    789,829.88/1,089,522.36 = 484,054.47/x
  3. Step 3: Cross multiply
    789,829.88x = 1,089,522.36 × 484,054.47
  4. Step 4: Simplify right side
    789,829.88x = 527,388,168,522.95
  5. Step 5: Solve for x
    x = 527,388,168,522.95/789,829.88
  6. Step 6: Final answer
    x = 667,723.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.