Home / 892,126.50-1,231,135.81-484,228.43

Finding the Fourth Proportional to 892,126.50, 1,231,135.81 and 484,228.43

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Solution

The fourth proportional to 892,126.50, 1,231,135.81 and 484,228.43 is: 668,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,126.50 : 1,231,135.81 = 484,228.43 : x
  2. Step 2: Convert to fraction form
    892,126.50/1,231,135.81 = 484,228.43/x
  3. Step 3: Cross multiply
    892,126.50x = 1,231,135.81 × 484,228.43
  4. Step 4: Simplify right side
    892,126.50x = 596,150,960,393.08
  5. Step 5: Solve for x
    x = 596,150,960,393.08/892,126.50
  6. Step 6: Final answer
    x = 668,235.91

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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.