Home / 984,679.69-1,477,268.61-274,707.21

Finding the Fourth Proportional to 984,679.69, 1,477,268.61 and 274,707.21

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Solution

The fourth proportional to 984,679.69, 1,477,268.61 and 274,707.21 is: 412,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,679.69 : 1,477,268.61 = 274,707.21 : x
  2. Step 2: Convert to fraction form
    984,679.69/1,477,268.61 = 274,707.21/x
  3. Step 3: Cross multiply
    984,679.69x = 1,477,268.61 × 274,707.21
  4. Step 4: Simplify right side
    984,679.69x = 405,816,338,273.68
  5. Step 5: Solve for x
    x = 405,816,338,273.68/984,679.69
  6. Step 6: Final answer
    x = 412,130.30

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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.