Home / 740,969.57-1,022,524.70-418,672.73

Finding the Fourth Proportional to 740,969.57, 1,022,524.70 and 418,672.73

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Solution

The fourth proportional to 740,969.57, 1,022,524.70 and 418,672.73 is: 577,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,969.57 : 1,022,524.70 = 418,672.73 : x
  2. Step 2: Convert to fraction form
    740,969.57/1,022,524.70 = 418,672.73/x
  3. Step 3: Cross multiply
    740,969.57x = 1,022,524.70 × 418,672.73
  4. Step 4: Simplify right side
    740,969.57x = 428,103,208,104.38
  5. Step 5: Solve for x
    x = 428,103,208,104.38/740,969.57
  6. Step 6: Final answer
    x = 577,760.85

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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.