Home / 759,960.80-1,139,940.26-360,383.56

Finding the Fourth Proportional to 759,960.80, 1,139,940.26 and 360,383.56

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Solution

The fourth proportional to 759,960.80, 1,139,940.26 and 360,383.56 is: 540,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,960.80 : 1,139,940.26 = 360,383.56 : x
  2. Step 2: Convert to fraction form
    759,960.80/1,139,940.26 = 360,383.56/x
  3. Step 3: Cross multiply
    759,960.80x = 1,139,940.26 × 360,383.56
  4. Step 4: Simplify right side
    759,960.80x = 410,815,729,086.13
  5. Step 5: Solve for x
    x = 410,815,729,086.13/759,960.80
  6. Step 6: Final answer
    x = 540,574.89

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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.