Home / 911,242.43-1,257,489.33-503,336.96

Finding the Fourth Proportional to 911,242.43, 1,257,489.33 and 503,336.96

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Solution

The fourth proportional to 911,242.43, 1,257,489.33 and 503,336.96 is: 694,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,242.43 : 1,257,489.33 = 503,336.96 : x
  2. Step 2: Convert to fraction form
    911,242.43/1,257,489.33 = 503,336.96/x
  3. Step 3: Cross multiply
    911,242.43x = 1,257,489.33 × 503,336.96
  4. Step 4: Simplify right side
    911,242.43x = 632,940,856,594.64
  5. Step 5: Solve for x
    x = 632,940,856,594.64/911,242.43
  6. Step 6: Final answer
    x = 694,591.07

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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.