Home / 911,912.56-1,258,504.48-504,005.62

Finding the Fourth Proportional to 911,912.56, 1,258,504.48 and 504,005.62

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Solution

The fourth proportional to 911,912.56, 1,258,504.48 and 504,005.62 is: 695,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,912.56 : 1,258,504.48 = 504,005.62 : x
  2. Step 2: Convert to fraction form
    911,912.56/1,258,504.48 = 504,005.62/x
  3. Step 3: Cross multiply
    911,912.56x = 1,258,504.48 × 504,005.62
  4. Step 4: Simplify right side
    911,912.56x = 634,293,330,715.18
  5. Step 5: Solve for x
    x = 634,293,330,715.18/911,912.56
  6. Step 6: Final answer
    x = 695,563.76

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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.