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Finding the Fourth Proportional to 605,720, 835,910.88 and 337,465.28

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Solution

The fourth proportional to 605,720, 835,910.88 and 337,465.28 is: 465,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,720 : 835,910.88 = 337,465.28 : x
  2. Step 2: Convert to fraction form
    605,720/835,910.88 = 337,465.28/x
  3. Step 3: Cross multiply
    605,720x = 835,910.88 × 337,465.28
  4. Step 4: Simplify right side
    605,720x = 282,090,899,174.25
  5. Step 5: Solve for x
    x = 282,090,899,174.25/605,720
  6. Step 6: Final answer
    x = 465,711.71

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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.