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Finding the Fourth Proportional to 491,089.64, 736,634.46 and 324,838.76

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Solution

The fourth proportional to 491,089.64, 736,634.46 and 324,838.76 is: 487,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,089.64 : 736,634.46 = 324,838.76 : x
  2. Step 2: Convert to fraction form
    491,089.64/736,634.46 = 324,838.76/x
  3. Step 3: Cross multiply
    491,089.64x = 736,634.46 × 324,838.76
  4. Step 4: Simplify right side
    491,089.64x = 239,287,424,559.67
  5. Step 5: Solve for x
    x = 239,287,424,559.67/491,089.64
  6. Step 6: Final answer
    x = 487,258.14

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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.