Home / 725,899.28-1,089,070.32-371,162.48

Finding the Fourth Proportional to 725,899.28, 1,089,070.32 and 371,162.48

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Solution

The fourth proportional to 725,899.28, 1,089,070.32 and 371,162.48 is: 556,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,899.28 : 1,089,070.32 = 371,162.48 : x
  2. Step 2: Convert to fraction form
    725,899.28/1,089,070.32 = 371,162.48/x
  3. Step 3: Cross multiply
    725,899.28x = 1,089,070.32 × 371,162.48
  4. Step 4: Simplify right side
    725,899.28x = 404,222,040,865.59
  5. Step 5: Solve for x
    x = 404,222,040,865.59/725,899.28
  6. Step 6: Final answer
    x = 556,856.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.