Home / 734,863.11-1,102,011.27-285,524.82

Finding the Fourth Proportional to 734,863.11, 1,102,011.27 and 285,524.82

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Solution

The fourth proportional to 734,863.11, 1,102,011.27 and 285,524.82 is: 428,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,863.11 : 1,102,011.27 = 285,524.82 : x
  2. Step 2: Convert to fraction form
    734,863.11/1,102,011.27 = 285,524.82/x
  3. Step 3: Cross multiply
    734,863.11x = 1,102,011.27 × 285,524.82
  4. Step 4: Simplify right side
    734,863.11x = 314,651,569,504.72
  5. Step 5: Solve for x
    x = 314,651,569,504.72/734,863.11
  6. Step 6: Final answer
    x = 428,177.12

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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.