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Finding the Fourth Proportional to 605,627.21, 835,775.48 and 333,691.18

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Solution

The fourth proportional to 605,627.21, 835,775.48 and 333,691.18 is: 460,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,627.21 : 835,775.48 = 333,691.18 : x
  2. Step 2: Convert to fraction form
    605,627.21/835,775.48 = 333,691.18/x
  3. Step 3: Cross multiply
    605,627.21x = 835,775.48 × 333,691.18
  4. Step 4: Simplify right side
    605,627.21x = 278,890,904,881.06
  5. Step 5: Solve for x
    x = 278,890,904,881.06/605,627.21
  6. Step 6: Final answer
    x = 460,499.30

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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.