Home / 404,830.20-607,634.10-345,732.60

Finding the Fourth Proportional to 404,830.20, 607,634.10 and 345,732.60

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Solution

The fourth proportional to 404,830.20, 607,634.10 and 345,732.60 is: 518,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,830.20 : 607,634.10 = 345,732.60 : x
  2. Step 2: Convert to fraction form
    404,830.20/607,634.10 = 345,732.60/x
  3. Step 3: Cross multiply
    404,830.20x = 607,634.10 × 345,732.60
  4. Step 4: Simplify right side
    404,830.20x = 210,078,917,241.66
  5. Step 5: Solve for x
    x = 210,078,917,241.66/404,830.20
  6. Step 6: Final answer
    x = 518,930.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.