Home / 455,765.27-628,968.74-251,829.32

Finding the Fourth Proportional to 455,765.27, 628,968.74 and 251,829.32

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Solution

The fourth proportional to 455,765.27, 628,968.74 and 251,829.32 is: 347,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,765.27 : 628,968.74 = 251,829.32 : x
  2. Step 2: Convert to fraction form
    455,765.27/628,968.74 = 251,829.32/x
  3. Step 3: Cross multiply
    455,765.27x = 628,968.74 × 251,829.32
  4. Step 4: Simplify right side
    455,765.27x = 158,392,765,691.47
  5. Step 5: Solve for x
    x = 158,392,765,691.47/455,765.27
  6. Step 6: Final answer
    x = 347,531.46

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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.