Home / 627,632.10-940,919.04-272,378.52

Finding the Fourth Proportional to 627,632.10, 940,919.04 and 272,378.52

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Solution

The fourth proportional to 627,632.10, 940,919.04 and 272,378.52 is: 408,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,632.10 : 940,919.04 = 272,378.52 : x
  2. Step 2: Convert to fraction form
    627,632.10/940,919.04 = 272,378.52/x
  3. Step 3: Cross multiply
    627,632.10x = 940,919.04 × 272,378.52
  4. Step 4: Simplify right side
    627,632.10x = 256,286,135,555.02
  5. Step 5: Solve for x
    x = 256,286,135,555.02/627,632.10
  6. Step 6: Final answer
    x = 408,338.16

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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.