Home / 911,245.41-1,257,513.66-503,375.31

Finding the Fourth Proportional to 911,245.41, 1,257,513.66 and 503,375.31

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Solution

The fourth proportional to 911,245.41, 1,257,513.66 and 503,375.31 is: 694,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,245.41 : 1,257,513.66 = 503,375.31 : x
  2. Step 2: Convert to fraction form
    911,245.41/1,257,513.66 = 503,375.31/x
  3. Step 3: Cross multiply
    911,245.41x = 1,257,513.66 × 503,375.31
  4. Step 4: Simplify right side
    911,245.41x = 633,001,328,431.74
  5. Step 5: Solve for x
    x = 633,001,328,431.74/911,245.41
  6. Step 6: Final answer
    x = 694,655.16

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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.