Home / 911,546.34-1,257,869.30-503,643.71

Finding the Fourth Proportional to 911,546.34, 1,257,869.30 and 503,643.71

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Solution

The fourth proportional to 911,546.34, 1,257,869.30 and 503,643.71 is: 694,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,546.34 : 1,257,869.30 = 503,643.71 : x
  2. Step 2: Convert to fraction form
    911,546.34/1,257,869.30 = 503,643.71/x
  3. Step 3: Cross multiply
    911,546.34x = 1,257,869.30 × 503,643.71
  4. Step 4: Simplify right side
    911,546.34x = 633,517,952,139.54
  5. Step 5: Solve for x
    x = 633,517,952,139.54/911,546.34
  6. Step 6: Final answer
    x = 694,992.59

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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.