Home / 911,917.82-1,258,511.72-504,010.90

Finding the Fourth Proportional to 911,917.82, 1,258,511.72 and 504,010.90

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Solution

The fourth proportional to 911,917.82, 1,258,511.72 and 504,010.90 is: 695,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,917.82 : 1,258,511.72 = 504,010.90 : x
  2. Step 2: Convert to fraction form
    911,917.82/1,258,511.72 = 504,010.90/x
  3. Step 3: Cross multiply
    911,917.82x = 1,258,511.72 × 504,010.90
  4. Step 4: Simplify right side
    911,917.82x = 634,303,624,657.75
  5. Step 5: Solve for x
    x = 634,303,624,657.75/911,917.82
  6. Step 6: Final answer
    x = 695,571.04

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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.