Home / 911,910.31-1,258,501.38-504,003.37

Finding the Fourth Proportional to 911,910.31, 1,258,501.38 and 504,003.37

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Solution

The fourth proportional to 911,910.31, 1,258,501.38 and 504,003.37 is: 695,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,910.31 : 1,258,501.38 = 504,003.37 : x
  2. Step 2: Convert to fraction form
    911,910.31/1,258,501.38 = 504,003.37/x
  3. Step 3: Cross multiply
    911,910.31x = 1,258,501.38 × 504,003.37
  4. Step 4: Simplify right side
    911,910.31x = 634,288,936,669.65
  5. Step 5: Solve for x
    x = 634,288,936,669.65/911,910.31
  6. Step 6: Final answer
    x = 695,560.66

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1.5x scale

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.