Home / 911,918.89-1,258,513.19-504,011.97

Finding the Fourth Proportional to 911,918.89, 1,258,513.19 and 504,011.97

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Solution

The fourth proportional to 911,918.89, 1,258,513.19 and 504,011.97 is: 695,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,918.89 : 1,258,513.19 = 504,011.97 : x
  2. Step 2: Convert to fraction form
    911,918.89/1,258,513.19 = 504,011.97/x
  3. Step 3: Cross multiply
    911,918.89x = 1,258,513.19 × 504,011.97
  4. Step 4: Simplify right side
    911,918.89x = 634,305,712,162.88
  5. Step 5: Solve for x
    x = 634,305,712,162.88/911,918.89
  6. Step 6: Final answer
    x = 695,572.51

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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.