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Finding the Fourth Proportional to 522,974.42, 784,881.95 and 270,328.90

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Solution

The fourth proportional to 522,974.42, 784,881.95 and 270,328.90 is: 405,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,974.42 : 784,881.95 = 270,328.90 : x
  2. Step 2: Convert to fraction form
    522,974.42/784,881.95 = 270,328.90/x
  3. Step 3: Cross multiply
    522,974.42x = 784,881.95 × 270,328.90
  4. Step 4: Simplify right side
    522,974.42x = 212,176,274,173.36
  5. Step 5: Solve for x
    x = 212,176,274,173.36/522,974.42
  6. Step 6: Final answer
    x = 405,710.62

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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.