Home / 617,320.49-851,935.39-345,372.17

Finding the Fourth Proportional to 617,320.49, 851,935.39 and 345,372.17

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Solution

The fourth proportional to 617,320.49, 851,935.39 and 345,372.17 is: 476,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,320.49 : 851,935.39 = 345,372.17 : x
  2. Step 2: Convert to fraction form
    617,320.49/851,935.39 = 345,372.17/x
  3. Step 3: Cross multiply
    617,320.49x = 851,935.39 × 345,372.17
  4. Step 4: Simplify right side
    617,320.49x = 294,234,769,220.99
  5. Step 5: Solve for x
    x = 294,234,769,220.99/617,320.49
  6. Step 6: Final answer
    x = 476,632.12

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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.