Home / 629,107.33-868,169.10-342,628.56

Finding the Fourth Proportional to 629,107.33, 868,169.10 and 342,628.56

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Solution

The fourth proportional to 629,107.33, 868,169.10 and 342,628.56 is: 472,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,107.33 : 868,169.10 = 342,628.56 : x
  2. Step 2: Convert to fraction form
    629,107.33/868,169.10 = 342,628.56/x
  3. Step 3: Cross multiply
    629,107.33x = 868,169.10 × 342,628.56
  4. Step 4: Simplify right side
    629,107.33x = 297,459,528,569.50
  5. Step 5: Solve for x
    x = 297,459,528,569.50/629,107.33
  6. Step 6: Final answer
    x = 472,827.95

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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.