Home / 815,816.59-1,223,304.69-366,151.97

Finding the Fourth Proportional to 815,816.59, 1,223,304.69 and 366,151.97

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Solution

The fourth proportional to 815,816.59, 1,223,304.69 and 366,151.97 is: 549,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,816.59 : 1,223,304.69 = 366,151.97 : x
  2. Step 2: Convert to fraction form
    815,816.59/1,223,304.69 = 366,151.97/x
  3. Step 3: Cross multiply
    815,816.59x = 1,223,304.69 × 366,151.97
  4. Step 4: Simplify right side
    815,816.59x = 447,915,422,153.74
  5. Step 5: Solve for x
    x = 447,915,422,153.74/815,816.59
  6. Step 6: Final answer
    x = 549,039.36

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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.