Home / 673,322.90-1,009,517.78-252,485.78

Finding the Fourth Proportional to 673,322.90, 1,009,517.78 and 252,485.78

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Solution

The fourth proportional to 673,322.90, 1,009,517.78 and 252,485.78 is: 378,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,322.90 : 1,009,517.78 = 252,485.78 : x
  2. Step 2: Convert to fraction form
    673,322.90/1,009,517.78 = 252,485.78/x
  3. Step 3: Cross multiply
    673,322.90x = 1,009,517.78 × 252,485.78
  4. Step 4: Simplify right side
    673,322.90x = 254,888,884,107.17
  5. Step 5: Solve for x
    x = 254,888,884,107.17/673,322.90
  6. Step 6: Final answer
    x = 378,553.71

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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.