Home / 868,619.37-1,303,103.16-300,021.33

Finding the Fourth Proportional to 868,619.37, 1,303,103.16 and 300,021.33

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Solution

The fourth proportional to 868,619.37, 1,303,103.16 and 300,021.33 is: 450,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,619.37 : 1,303,103.16 = 300,021.33 : x
  2. Step 2: Convert to fraction form
    868,619.37/1,303,103.16 = 300,021.33/x
  3. Step 3: Cross multiply
    868,619.37x = 1,303,103.16 × 300,021.33
  4. Step 4: Simplify right side
    868,619.37x = 390,958,743,190.40
  5. Step 5: Solve for x
    x = 390,958,743,190.40/868,619.37
  6. Step 6: Final answer
    x = 450,092.13

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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.