Home / 864,629.61-1,296,991.71-359,241.69

Finding the Fourth Proportional to 864,629.61, 1,296,991.71 and 359,241.69

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Solution

The fourth proportional to 864,629.61, 1,296,991.71 and 359,241.69 is: 538,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,629.61 : 1,296,991.71 = 359,241.69 : x
  2. Step 2: Convert to fraction form
    864,629.61/1,296,991.71 = 359,241.69/x
  3. Step 3: Cross multiply
    864,629.61x = 1,296,991.71 × 359,241.69
  4. Step 4: Simplify right side
    864,629.61x = 465,933,493,816.39
  5. Step 5: Solve for x
    x = 465,933,493,816.39/864,629.61
  6. Step 6: Final answer
    x = 538,882.19

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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.