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Finding the Fourth Proportional to 617,429.90, 852,092.79 and 345,529.10

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Solution

The fourth proportional to 617,429.90, 852,092.79 and 345,529.10 is: 476,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,429.90 : 852,092.79 = 345,529.10 : x
  2. Step 2: Convert to fraction form
    617,429.90/852,092.79 = 345,529.10/x
  3. Step 3: Cross multiply
    617,429.90x = 852,092.79 × 345,529.10
  4. Step 4: Simplify right side
    617,429.90x = 294,422,854,845.19
  5. Step 5: Solve for x
    x = 294,422,854,845.19/617,429.90
  6. Step 6: Final answer
    x = 476,852.28

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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.