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Finding the Fourth Proportional to 537,874.70, 805,105.51 and 300,497.72

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Solution

The fourth proportional to 537,874.70, 805,105.51 and 300,497.72 is: 449,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,874.70 : 805,105.51 = 300,497.72 : x
  2. Step 2: Convert to fraction form
    537,874.70/805,105.51 = 300,497.72/x
  3. Step 3: Cross multiply
    537,874.70x = 805,105.51 × 300,497.72
  4. Step 4: Simplify right side
    537,874.70x = 241,932,365,337.67
  5. Step 5: Solve for x
    x = 241,932,365,337.67/537,874.70
  6. Step 6: Final answer
    x = 449,793.17

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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.