Home / 939,571.26-1,409,179.77-265,647.21

Finding the Fourth Proportional to 939,571.26, 1,409,179.77 and 265,647.21

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Solution

The fourth proportional to 939,571.26, 1,409,179.77 and 265,647.21 is: 398,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,571.26 : 1,409,179.77 = 265,647.21 : x
  2. Step 2: Convert to fraction form
    939,571.26/1,409,179.77 = 265,647.21/x
  3. Step 3: Cross multiply
    939,571.26x = 1,409,179.77 × 265,647.21
  4. Step 4: Simplify right side
    939,571.26x = 374,344,674,288.94
  5. Step 5: Solve for x
    x = 374,344,674,288.94/939,571.26
  6. Step 6: Final answer
    x = 398,420.74

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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.