Home / 629,310.02-868,453.79-357,383.57

Finding the Fourth Proportional to 629,310.02, 868,453.79 and 357,383.57

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Solution

The fourth proportional to 629,310.02, 868,453.79 and 357,383.57 is: 493,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,310.02 : 868,453.79 = 357,383.57 : x
  2. Step 2: Convert to fraction form
    629,310.02/868,453.79 = 357,383.57/x
  3. Step 3: Cross multiply
    629,310.02x = 868,453.79 × 357,383.57
  4. Step 4: Simplify right side
    629,310.02x = 310,371,109,721.04
  5. Step 5: Solve for x
    x = 310,371,109,721.04/629,310.02
  6. Step 6: Final answer
    x = 493,192.71

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1.5x scale

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.