Home / 789,586.20-1,089,617.94-450,060.12

Finding the Fourth Proportional to 789,586.20, 1,089,617.94 and 450,060.12

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Solution

The fourth proportional to 789,586.20, 1,089,617.94 and 450,060.12 is: 621,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,586.20 : 1,089,617.94 = 450,060.12 : x
  2. Step 2: Convert to fraction form
    789,586.20/1,089,617.94 = 450,060.12/x
  3. Step 3: Cross multiply
    789,586.20x = 1,089,617.94 × 450,060.12
  4. Step 4: Simplify right side
    789,586.20x = 490,393,580,830.55
  5. Step 5: Solve for x
    x = 490,393,580,830.55/789,586.20
  6. Step 6: Final answer
    x = 621,076.69

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1.5x scale

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.