Home / 802,818.78-1,203,928.12-322,884.60

Finding the Fourth Proportional to 802,818.78, 1,203,928.12 and 322,884.60

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Solution

The fourth proportional to 802,818.78, 1,203,928.12 and 322,884.60 is: 484,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,818.78 : 1,203,928.12 = 322,884.60 : x
  2. Step 2: Convert to fraction form
    802,818.78/1,203,928.12 = 322,884.60/x
  3. Step 3: Cross multiply
    802,818.78x = 1,203,928.12 × 322,884.60
  4. Step 4: Simplify right side
    802,818.78x = 388,729,849,454.95
  5. Step 5: Solve for x
    x = 388,729,849,454.95/802,818.78
  6. Step 6: Final answer
    x = 484,206.22

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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.