Home / 404,827.20-607,629.60-205,372.80

Finding the Fourth Proportional to 404,827.20, 607,629.60 and 205,372.80

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Solution

The fourth proportional to 404,827.20, 607,629.60 and 205,372.80 is: 308,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,827.20 : 607,629.60 = 205,372.80 : x
  2. Step 2: Convert to fraction form
    404,827.20/607,629.60 = 205,372.80/x
  3. Step 3: Cross multiply
    404,827.20x = 607,629.60 × 205,372.80
  4. Step 4: Simplify right side
    404,827.20x = 124,790,592,314.88
  5. Step 5: Solve for x
    x = 124,790,592,314.88/404,827.20
  6. Step 6: Final answer
    x = 308,256.44

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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.