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Finding the Fourth Proportional to 617,082.04, 851,561.94 and 348,810.04

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Solution

The fourth proportional to 617,082.04, 851,561.94 and 348,810.04 is: 481,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,082.04 : 851,561.94 = 348,810.04 : x
  2. Step 2: Convert to fraction form
    617,082.04/851,561.94 = 348,810.04/x
  3. Step 3: Cross multiply
    617,082.04x = 851,561.94 × 348,810.04
  4. Step 4: Simplify right side
    617,082.04x = 297,033,354,353.88
  5. Step 5: Solve for x
    x = 297,033,354,353.88/617,082.04
  6. Step 6: Final answer
    x = 481,351.48

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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.