Home / 789,459.57-1,089,453.44-426,882.57

Finding the Fourth Proportional to 789,459.57, 1,089,453.44 and 426,882.57

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Solution

The fourth proportional to 789,459.57, 1,089,453.44 and 426,882.57 is: 589,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,459.57 : 1,089,453.44 = 426,882.57 : x
  2. Step 2: Convert to fraction form
    789,459.57/1,089,453.44 = 426,882.57/x
  3. Step 3: Cross multiply
    789,459.57x = 1,089,453.44 × 426,882.57
  4. Step 4: Simplify right side
    789,459.57x = 465,068,679,743.49
  5. Step 5: Solve for x
    x = 465,068,679,743.49/789,459.57
  6. Step 6: Final answer
    x = 589,097.52

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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.