Home / 792,763.18-1,189,326.42-343,559.46

Finding the Fourth Proportional to 792,763.18, 1,189,326.42 and 343,559.46

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Solution

The fourth proportional to 792,763.18, 1,189,326.42 and 343,559.46 is: 515,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,763.18 : 1,189,326.42 = 343,559.46 : x
  2. Step 2: Convert to fraction form
    792,763.18/1,189,326.42 = 343,559.46/x
  3. Step 3: Cross multiply
    792,763.18x = 1,189,326.42 × 343,559.46
  4. Step 4: Simplify right side
    792,763.18x = 408,604,342,618.93
  5. Step 5: Solve for x
    x = 408,604,342,618.93/792,763.18
  6. Step 6: Final answer
    x = 515,417.91

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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.