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Finding the Fourth Proportional to 677,268, 934,659 and 375,462

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Solution

The fourth proportional to 677,268, 934,659 and 375,462 is: 518,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,268 : 934,659 = 375,462 : x
  2. Step 2: Convert to fraction form
    677,268/934,659 = 375,462/x
  3. Step 3: Cross multiply
    677,268x = 934,659 × 375,462
  4. Step 4: Simplify right side
    677,268x = 350,928,937,458
  5. Step 5: Solve for x
    x = 350,928,937,458/677,268
  6. Step 6: Final answer
    x = 518,153.73

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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.