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Finding the Fourth Proportional to 376,799.72, 567,712.80 and 340,817.76

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Solution

The fourth proportional to 376,799.72, 567,712.80 and 340,817.76 is: 513,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,799.72 : 567,712.80 = 340,817.76 : x
  2. Step 2: Convert to fraction form
    376,799.72/567,712.80 = 340,817.76/x
  3. Step 3: Cross multiply
    376,799.72x = 567,712.80 × 340,817.76
  4. Step 4: Simplify right side
    376,799.72x = 193,486,604,819.33
  5. Step 5: Solve for x
    x = 193,486,604,819.33/376,799.72
  6. Step 6: Final answer
    x = 513,499.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.