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Finding the Fourth Proportional to 605,383.88, 835,429.95 and 350,882.69

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Solution

The fourth proportional to 605,383.88, 835,429.95 and 350,882.69 is: 484,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,383.88 : 835,429.95 = 350,882.69 : x
  2. Step 2: Convert to fraction form
    605,383.88/835,429.95 = 350,882.69/x
  3. Step 3: Cross multiply
    605,383.88x = 835,429.95 × 350,882.69
  4. Step 4: Simplify right side
    605,383.88x = 293,137,903,985.42
  5. Step 5: Solve for x
    x = 293,137,903,985.42/605,383.88
  6. Step 6: Final answer
    x = 484,218.22

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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.