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Finding the Fourth Proportional to 617,092.08, 851,665.92 and 345,175.08

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Solution

The fourth proportional to 617,092.08, 851,665.92 and 345,175.08 is: 476,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,092.08 : 851,665.92 = 345,175.08 : x
  2. Step 2: Convert to fraction form
    617,092.08/851,665.92 = 345,175.08/x
  3. Step 3: Cross multiply
    617,092.08x = 851,665.92 × 345,175.08
  4. Step 4: Simplify right side
    617,092.08x = 293,973,852,069.27
  5. Step 5: Solve for x
    x = 293,973,852,069.27/617,092.08
  6. Step 6: Final answer
    x = 476,385.72

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1.5x scale

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.