Home / 490,110.40-734,992.80-174,577.60

Finding the Fourth Proportional to 490,110.40, 734,992.80 and 174,577.60

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Solution

The fourth proportional to 490,110.40, 734,992.80 and 174,577.60 is: 261,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,110.40 : 734,992.80 = 174,577.60 : x
  2. Step 2: Convert to fraction form
    490,110.40/734,992.80 = 174,577.60/x
  3. Step 3: Cross multiply
    490,110.40x = 734,992.80 × 174,577.60
  4. Step 4: Simplify right side
    490,110.40x = 128,313,279,041.28
  5. Step 5: Solve for x
    x = 128,313,279,041.28/490,110.40
  6. Step 6: Final answer
    x = 261,804.85

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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.