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Finding the Fourth Proportional to 677,305.54, 934,682.97 and 375,499.54

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Solution

The fourth proportional to 677,305.54, 934,682.97 and 375,499.54 is: 518,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,305.54 : 934,682.97 = 375,499.54 : x
  2. Step 2: Convert to fraction form
    677,305.54/934,682.97 = 375,499.54/x
  3. Step 3: Cross multiply
    677,305.54x = 934,682.97 × 375,499.54
  4. Step 4: Simplify right side
    677,305.54x = 350,973,025,280.83
  5. Step 5: Solve for x
    x = 350,973,025,280.83/677,305.54
  6. Step 6: Final answer
    x = 518,190.10

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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.