Home / 726,069.20-1,089,103.80-461,004.80

Finding the Fourth Proportional to 726,069.20, 1,089,103.80 and 461,004.80

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Solution

The fourth proportional to 726,069.20, 1,089,103.80 and 461,004.80 is: 691,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,069.20 : 1,089,103.80 = 461,004.80 : x
  2. Step 2: Convert to fraction form
    726,069.20/1,089,103.80 = 461,004.80/x
  3. Step 3: Cross multiply
    726,069.20x = 1,089,103.80 × 461,004.80
  4. Step 4: Simplify right side
    726,069.20x = 502,082,079,498.24
  5. Step 5: Solve for x
    x = 502,082,079,498.24/726,069.20
  6. Step 6: Final answer
    x = 691,507.20

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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.