Home / 816,069.20-1,223,261.40-367,005.20

Finding the Fourth Proportional to 816,069.20, 1,223,261.40 and 367,005.20

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Solution

The fourth proportional to 816,069.20, 1,223,261.40 and 367,005.20 is: 550,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,069.20 : 1,223,261.40 = 367,005.20 : x
  2. Step 2: Convert to fraction form
    816,069.20/1,223,261.40 = 367,005.20/x
  3. Step 3: Cross multiply
    816,069.20x = 1,223,261.40 × 367,005.20
  4. Step 4: Simplify right side
    816,069.20x = 448,943,294,759.28
  5. Step 5: Solve for x
    x = 448,943,294,759.28/816,069.20
  6. Step 6: Final answer
    x = 550,128.95

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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.