Home / 868,318.25-1,302,922.13-413,424.27

Finding the Fourth Proportional to 868,318.25, 1,302,922.13 and 413,424.27

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Solution

The fourth proportional to 868,318.25, 1,302,922.13 and 413,424.27 is: 620,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,318.25 : 1,302,922.13 = 413,424.27 : x
  2. Step 2: Convert to fraction form
    868,318.25/1,302,922.13 = 413,424.27/x
  3. Step 3: Cross multiply
    868,318.25x = 1,302,922.13 × 413,424.27
  4. Step 4: Simplify right side
    868,318.25x = 538,659,628,394.97
  5. Step 5: Solve for x
    x = 538,659,628,394.97/868,318.25
  6. Step 6: Final answer
    x = 620,348.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.