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Finding the Fourth Proportional to 605,314.25, 835,355.09 and 375,997.13

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Solution

The fourth proportional to 605,314.25, 835,355.09 and 375,997.13 is: 518,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,314.25 : 835,355.09 = 375,997.13 : x
  2. Step 2: Convert to fraction form
    605,314.25/835,355.09 = 375,997.13/x
  3. Step 3: Cross multiply
    605,314.25x = 835,355.09 × 375,997.13
  4. Step 4: Simplify right side
    605,314.25x = 314,091,116,370.89
  5. Step 5: Solve for x
    x = 314,091,116,370.89/605,314.25
  6. Step 6: Final answer
    x = 518,889.35

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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.