Home / 911,269.44-1,257,546.80-503,399.28

Finding the Fourth Proportional to 911,269.44, 1,257,546.80 and 503,399.28

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Solution

The fourth proportional to 911,269.44, 1,257,546.80 and 503,399.28 is: 694,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,269.44 : 1,257,546.80 = 503,399.28 : x
  2. Step 2: Convert to fraction form
    911,269.44/1,257,546.80 = 503,399.28/x
  3. Step 3: Cross multiply
    911,269.44x = 1,257,546.80 × 503,399.28
  4. Step 4: Simplify right side
    911,269.44x = 633,048,153,686.30
  5. Step 5: Solve for x
    x = 633,048,153,686.30/911,269.44
  6. Step 6: Final answer
    x = 694,688.23

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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.