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Finding the Fourth Proportional to 677,308.54, 934,687.10 and 375,502.54

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Solution

The fourth proportional to 677,308.54, 934,687.10 and 375,502.54 is: 518,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,308.54 : 934,687.10 = 375,502.54 : x
  2. Step 2: Convert to fraction form
    677,308.54/934,687.10 = 375,502.54/x
  3. Step 3: Cross multiply
    677,308.54x = 934,687.10 × 375,502.54
  4. Step 4: Simplify right side
    677,308.54x = 350,977,380,155.23
  5. Step 5: Solve for x
    x = 350,977,380,155.23/677,308.54
  6. Step 6: Final answer
    x = 518,194.23

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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.