Home / 945,945.29-1,418,074.21-346,766.57

Finding the Fourth Proportional to 945,945.29, 1,418,074.21 and 346,766.57

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Solution

The fourth proportional to 945,945.29, 1,418,074.21 and 346,766.57 is: 519,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,945.29 : 1,418,074.21 = 346,766.57 : x
  2. Step 2: Convert to fraction form
    945,945.29/1,418,074.21 = 346,766.57/x
  3. Step 3: Cross multiply
    945,945.29x = 1,418,074.21 × 346,766.57
  4. Step 4: Simplify right side
    945,945.29x = 491,740,726,517.46
  5. Step 5: Solve for x
    x = 491,740,726,517.46/945,945.29
  6. Step 6: Final answer
    x = 519,840.56

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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.