Home / 627,253.03-865,546.72-355,266.64

Finding the Fourth Proportional to 627,253.03, 865,546.72 and 355,266.64

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Solution

The fourth proportional to 627,253.03, 865,546.72 and 355,266.64 is: 490,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,253.03 : 865,546.72 = 355,266.64 : x
  2. Step 2: Convert to fraction form
    627,253.03/865,546.72 = 355,266.64/x
  3. Step 3: Cross multiply
    627,253.03x = 865,546.72 × 355,266.64
  4. Step 4: Simplify right side
    627,253.03x = 307,499,874,977.42
  5. Step 5: Solve for x
    x = 307,499,874,977.42/627,253.03
  6. Step 6: Final answer
    x = 490,232.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.