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Finding the Fourth Proportional to 617,294.41, 851,899.37 and 345,346.07

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Solution

The fourth proportional to 617,294.41, 851,899.37 and 345,346.07 is: 476,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,294.41 : 851,899.37 = 345,346.07 : x
  2. Step 2: Convert to fraction form
    617,294.41/851,899.37 = 345,346.07/x
  3. Step 3: Cross multiply
    617,294.41x = 851,899.37 × 345,346.07
  4. Step 4: Simplify right side
    617,294.41x = 294,200,093,478.75
  5. Step 5: Solve for x
    x = 294,200,093,478.75/617,294.41
  6. Step 6: Final answer
    x = 476,596.08

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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.