Home / 689,558.16-1,034,135.16-268,733.52

Finding the Fourth Proportional to 689,558.16, 1,034,135.16 and 268,733.52

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Solution

The fourth proportional to 689,558.16, 1,034,135.16 and 268,733.52 is: 403,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,558.16 : 1,034,135.16 = 268,733.52 : x
  2. Step 2: Convert to fraction form
    689,558.16/1,034,135.16 = 268,733.52/x
  3. Step 3: Cross multiply
    689,558.16x = 1,034,135.16 × 268,733.52
  4. Step 4: Simplify right side
    689,558.16x = 277,906,781,702.56
  5. Step 5: Solve for x
    x = 277,906,781,702.56/689,558.16
  6. Step 6: Final answer
    x = 403,021.53

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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.