Home / 726,023.40-1,089,035.10-405,846.60

Finding the Fourth Proportional to 726,023.40, 1,089,035.10 and 405,846.60

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Solution

The fourth proportional to 726,023.40, 1,089,035.10 and 405,846.60 is: 608,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,023.40 : 1,089,035.10 = 405,846.60 : x
  2. Step 2: Convert to fraction form
    726,023.40/1,089,035.10 = 405,846.60/x
  3. Step 3: Cross multiply
    726,023.40x = 1,089,035.10 × 405,846.60
  4. Step 4: Simplify right side
    726,023.40x = 441,981,192,615.66
  5. Step 5: Solve for x
    x = 441,981,192,615.66/726,023.40
  6. Step 6: Final answer
    x = 608,769.90

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1.5x scale

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.