Home / 792,849.52-1,189,455.84-343,645.60

Finding the Fourth Proportional to 792,849.52, 1,189,455.84 and 343,645.60

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Solution

The fourth proportional to 792,849.52, 1,189,455.84 and 343,645.60 is: 515,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,849.52 : 1,189,455.84 = 343,645.60 : x
  2. Step 2: Convert to fraction form
    792,849.52/1,189,455.84 = 343,645.60/x
  3. Step 3: Cross multiply
    792,849.52x = 1,189,455.84 × 343,645.60
  4. Step 4: Simplify right side
    792,849.52x = 408,751,265,810.30
  5. Step 5: Solve for x
    x = 408,751,265,810.30/792,849.52
  6. Step 6: Final answer
    x = 515,547.09

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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.