Home / 687,974.33-949,854.23-446,943.84

Finding the Fourth Proportional to 687,974.33, 949,854.23 and 446,943.84

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Solution

The fourth proportional to 687,974.33, 949,854.23 and 446,943.84 is: 617,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,974.33 : 949,854.23 = 446,943.84 : x
  2. Step 2: Convert to fraction form
    687,974.33/949,854.23 = 446,943.84/x
  3. Step 3: Cross multiply
    687,974.33x = 949,854.23 × 446,943.84
  4. Step 4: Simplify right side
    687,974.33x = 424,531,494,761.72
  5. Step 5: Solve for x
    x = 424,531,494,761.72/687,974.33
  6. Step 6: Final answer
    x = 617,074.62

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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.