Home / 791,786.55-1,187,559.51-259,295.79

Finding the Fourth Proportional to 791,786.55, 1,187,559.51 and 259,295.79

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Solution

The fourth proportional to 791,786.55, 1,187,559.51 and 259,295.79 is: 388,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,786.55 : 1,187,559.51 = 259,295.79 : x
  2. Step 2: Convert to fraction form
    791,786.55/1,187,559.51 = 259,295.79/x
  3. Step 3: Cross multiply
    791,786.55x = 1,187,559.51 × 259,295.79
  4. Step 4: Simplify right side
    791,786.55x = 307,929,181,317.46
  5. Step 5: Solve for x
    x = 307,929,181,317.46/791,786.55
  6. Step 6: Final answer
    x = 388,904.28

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Double scale
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1.5x scale

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.