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Finding the Fourth Proportional to 617,293.27, 851,897.80 and 345,344.94

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Solution

The fourth proportional to 617,293.27, 851,897.80 and 345,344.94 is: 476,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,293.27 : 851,897.80 = 345,344.94 : x
  2. Step 2: Convert to fraction form
    617,293.27/851,897.80 = 345,344.94/x
  3. Step 3: Cross multiply
    617,293.27x = 851,897.80 × 345,344.94
  4. Step 4: Simplify right side
    617,293.27x = 294,198,596,483.49
  5. Step 5: Solve for x
    x = 294,198,596,483.49/617,293.27
  6. Step 6: Final answer
    x = 476,594.53

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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.