Home / 789,035.20-1,182,969.60-434,449.60

Finding the Fourth Proportional to 789,035.20, 1,182,969.60 and 434,449.60

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Solution

The fourth proportional to 789,035.20, 1,182,969.60 and 434,449.60 is: 651,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,035.20 : 1,182,969.60 = 434,449.60 : x
  2. Step 2: Convert to fraction form
    789,035.20/1,182,969.60 = 434,449.60/x
  3. Step 3: Cross multiply
    789,035.20x = 1,182,969.60 × 434,449.60
  4. Step 4: Simplify right side
    789,035.20x = 513,940,669,532.16
  5. Step 5: Solve for x
    x = 513,940,669,532.16/789,035.20
  6. Step 6: Final answer
    x = 651,353.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.