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Finding the Fourth Proportional to 617,606.26, 852,102.36 and 345,630.94

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Solution

The fourth proportional to 617,606.26, 852,102.36 and 345,630.94 is: 476,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,606.26 : 852,102.36 = 345,630.94 : x
  2. Step 2: Convert to fraction form
    617,606.26/852,102.36 = 345,630.94/x
  3. Step 3: Cross multiply
    617,606.26x = 852,102.36 × 345,630.94
  4. Step 4: Simplify right side
    617,606.26x = 294,512,939,663.02
  5. Step 5: Solve for x
    x = 294,512,939,663.02/617,606.26
  6. Step 6: Final answer
    x = 476,861.97

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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.