Home / 789,467.01-1,089,463.67-426,889.95

Finding the Fourth Proportional to 789,467.01, 1,089,463.67 and 426,889.95

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Solution

The fourth proportional to 789,467.01, 1,089,463.67 and 426,889.95 is: 589,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,467.01 : 1,089,463.67 = 426,889.95 : x
  2. Step 2: Convert to fraction form
    789,467.01/1,089,463.67 = 426,889.95/x
  3. Step 3: Cross multiply
    789,467.01x = 1,089,463.67 × 426,889.95
  4. Step 4: Simplify right side
    789,467.01x = 465,081,086,994.02
  5. Step 5: Solve for x
    x = 465,081,086,994.02/789,467.01
  6. Step 6: Final answer
    x = 589,107.69

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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.