Home / 513,272.88-708,321.16-283,845.60

Finding the Fourth Proportional to 513,272.88, 708,321.16 and 283,845.60

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Solution

The fourth proportional to 513,272.88, 708,321.16 and 283,845.60 is: 391,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,272.88 : 708,321.16 = 283,845.60 : x
  2. Step 2: Convert to fraction form
    513,272.88/708,321.16 = 283,845.60/x
  3. Step 3: Cross multiply
    513,272.88x = 708,321.16 × 283,845.60
  4. Step 4: Simplify right side
    513,272.88x = 201,053,846,399.30
  5. Step 5: Solve for x
    x = 201,053,846,399.30/513,272.88
  6. Step 6: Final answer
    x = 391,709.47

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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.