Home / 455,774.42-628,936.37-251,823.10

Finding the Fourth Proportional to 455,774.42, 628,936.37 and 251,823.10

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Solution

The fourth proportional to 455,774.42, 628,936.37 and 251,823.10 is: 347,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,774.42 : 628,936.37 = 251,823.10 : x
  2. Step 2: Convert to fraction form
    455,774.42/628,936.37 = 251,823.10/x
  3. Step 3: Cross multiply
    455,774.42x = 628,936.37 × 251,823.10
  4. Step 4: Simplify right side
    455,774.42x = 158,380,706,396.15
  5. Step 5: Solve for x
    x = 158,380,706,396.15/455,774.42
  6. Step 6: Final answer
    x = 347,498.02

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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.