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Finding the Fourth Proportional to 454,987.52, 627,544.32 and 334,090.88

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Solution

The fourth proportional to 454,987.52, 627,544.32 and 334,090.88 is: 460,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,987.52 : 627,544.32 = 334,090.88 : x
  2. Step 2: Convert to fraction form
    454,987.52/627,544.32 = 334,090.88/x
  3. Step 3: Cross multiply
    454,987.52x = 627,544.32 × 334,090.88
  4. Step 4: Simplify right side
    454,987.52x = 209,656,834,107.80
  5. Step 5: Solve for x
    x = 209,656,834,107.80/454,987.52
  6. Step 6: Final answer
    x = 460,796.89

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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.