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Finding the Fourth Proportional to 497,231.20, 745,846.80 and 308,274.40

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Solution

The fourth proportional to 497,231.20, 745,846.80 and 308,274.40 is: 462,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,231.20 : 745,846.80 = 308,274.40 : x
  2. Step 2: Convert to fraction form
    497,231.20/745,846.80 = 308,274.40/x
  3. Step 3: Cross multiply
    497,231.20x = 745,846.80 × 308,274.40
  4. Step 4: Simplify right side
    497,231.20x = 229,925,474,761.92
  5. Step 5: Solve for x
    x = 229,925,474,761.92/497,231.20
  6. Step 6: Final answer
    x = 462,411.60

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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.