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Finding the Fourth Proportional to 677,105, 934,405.04 and 375,299

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Solution

The fourth proportional to 677,105, 934,405.04 and 375,299 is: 517,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,105 : 934,405.04 = 375,299 : x
  2. Step 2: Convert to fraction form
    677,105/934,405.04 = 375,299/x
  3. Step 3: Cross multiply
    677,105x = 934,405.04 × 375,299
  4. Step 4: Simplify right side
    677,105x = 350,681,277,106.96
  5. Step 5: Solve for x
    x = 350,681,277,106.96/677,105
  6. Step 6: Final answer
    x = 517,912.70

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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.