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Finding the Fourth Proportional to 454,668.58, 627,428.91 and 250,719.40

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Solution

The fourth proportional to 454,668.58, 627,428.91 and 250,719.40 is: 345,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,668.58 : 627,428.91 = 250,719.40 : x
  2. Step 2: Convert to fraction form
    454,668.58/627,428.91 = 250,719.40/x
  3. Step 3: Cross multiply
    454,668.58x = 627,428.91 × 250,719.40
  4. Step 4: Simplify right side
    454,668.58x = 157,308,599,857.85
  5. Step 5: Solve for x
    x = 157,308,599,857.85/454,668.58
  6. Step 6: Final answer
    x = 345,985.20

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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.