Home / 746,238-1,029,836.25-424,002.68

Finding the Fourth Proportional to 746,238, 1,029,836.25 and 424,002.68

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Solution

The fourth proportional to 746,238, 1,029,836.25 and 424,002.68 is: 585,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,238 : 1,029,836.25 = 424,002.68 : x
  2. Step 2: Convert to fraction form
    746,238/1,029,836.25 = 424,002.68/x
  3. Step 3: Cross multiply
    746,238x = 1,029,836.25 × 424,002.68
  4. Step 4: Simplify right side
    746,238x = 436,653,324,811.97
  5. Step 5: Solve for x
    x = 436,653,324,811.97/746,238
  6. Step 6: Final answer
    x = 585,139.49

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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.