Home / 802,202.34-1,203,278.81-328,530.95

Finding the Fourth Proportional to 802,202.34, 1,203,278.81 and 328,530.95

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Solution

The fourth proportional to 802,202.34, 1,203,278.81 and 328,530.95 is: 492,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,202.34 : 1,203,278.81 = 328,530.95 : x
  2. Step 2: Convert to fraction form
    802,202.34/1,203,278.81 = 328,530.95/x
  3. Step 3: Cross multiply
    802,202.34x = 1,203,278.81 × 328,530.95
  4. Step 4: Simplify right side
    802,202.34x = 395,314,322,905.12
  5. Step 5: Solve for x
    x = 395,314,322,905.12/802,202.34
  6. Step 6: Final answer
    x = 492,786.30

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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.