Home / 726,650.49-1,089,657.99-366,599.82

Finding the Fourth Proportional to 726,650.49, 1,089,657.99 and 366,599.82

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Solution

The fourth proportional to 726,650.49, 1,089,657.99 and 366,599.82 is: 549,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,650.49 : 1,089,657.99 = 366,599.82 : x
  2. Step 2: Convert to fraction form
    726,650.49/1,089,657.99 = 366,599.82/x
  3. Step 3: Cross multiply
    726,650.49x = 1,089,657.99 × 366,599.82
  4. Step 4: Simplify right side
    726,650.49x = 399,468,422,995.56
  5. Step 5: Solve for x
    x = 399,468,422,995.56/726,650.49
  6. Step 6: Final answer
    x = 549,739.43

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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.