Home / 789,708.06-1,089,795.96-445,543.50

Finding the Fourth Proportional to 789,708.06, 1,089,795.96 and 445,543.50

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Solution

The fourth proportional to 789,708.06, 1,089,795.96 and 445,543.50 is: 614,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,708.06 : 1,089,795.96 = 445,543.50 : x
  2. Step 2: Convert to fraction form
    789,708.06/1,089,795.96 = 445,543.50/x
  3. Step 3: Cross multiply
    789,708.06x = 1,089,795.96 × 445,543.50
  4. Step 4: Simplify right side
    789,708.06x = 485,551,506,304.26
  5. Step 5: Solve for x
    x = 485,551,506,304.26/789,708.06
  6. Step 6: Final answer
    x = 614,849.37

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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.