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Finding the Fourth Proportional to 491,083.40, 736,625.10 and 324,871.40

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Solution

The fourth proportional to 491,083.40, 736,625.10 and 324,871.40 is: 487,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,083.40 : 736,625.10 = 324,871.40 : x
  2. Step 2: Convert to fraction form
    491,083.40/736,625.10 = 324,871.40/x
  3. Step 3: Cross multiply
    491,083.40x = 736,625.10 × 324,871.40
  4. Step 4: Simplify right side
    491,083.40x = 239,308,427,512.14
  5. Step 5: Solve for x
    x = 239,308,427,512.14/491,083.40
  6. Step 6: Final answer
    x = 487,307.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.