Home / 789,626.43-1,089,655.61-450,029.07

Finding the Fourth Proportional to 789,626.43, 1,089,655.61 and 450,029.07

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Solution

The fourth proportional to 789,626.43, 1,089,655.61 and 450,029.07 is: 621,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,626.43 : 1,089,655.61 = 450,029.07 : x
  2. Step 2: Convert to fraction form
    789,626.43/1,089,655.61 = 450,029.07/x
  3. Step 3: Cross multiply
    789,626.43x = 1,089,655.61 × 450,029.07
  4. Step 4: Simplify right side
    789,626.43x = 490,376,698,538.44
  5. Step 5: Solve for x
    x = 490,376,698,538.44/789,626.43
  6. Step 6: Final answer
    x = 621,023.66

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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.