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Finding the Fourth Proportional to 508,912.57, 701,706.02 and 379,626.62

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Solution

The fourth proportional to 508,912.57, 701,706.02 and 379,626.62 is: 523,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,912.57 : 701,706.02 = 379,626.62 : x
  2. Step 2: Convert to fraction form
    508,912.57/701,706.02 = 379,626.62/x
  3. Step 3: Cross multiply
    508,912.57x = 701,706.02 × 379,626.62
  4. Step 4: Simplify right side
    508,912.57x = 266,386,281,334.99
  5. Step 5: Solve for x
    x = 266,386,281,334.99/508,912.57
  6. Step 6: Final answer
    x = 523,442.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.