Home / 590,452.20-884,771.10-439,986.60

Finding the Fourth Proportional to 590,452.20, 884,771.10 and 439,986.60

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Solution

The fourth proportional to 590,452.20, 884,771.10 and 439,986.60 is: 659,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,452.20 : 884,771.10 = 439,986.60 : x
  2. Step 2: Convert to fraction form
    590,452.20/884,771.10 = 439,986.60/x
  3. Step 3: Cross multiply
    590,452.20x = 884,771.10 × 439,986.60
  4. Step 4: Simplify right side
    590,452.20x = 389,287,428,067.26
  5. Step 5: Solve for x
    x = 389,287,428,067.26/590,452.20
  6. Step 6: Final answer
    x = 659,303.88

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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.