Home / 726,804.74-1,090,388.56-253,496.90

Finding the Fourth Proportional to 726,804.74, 1,090,388.56 and 253,496.90

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Solution

The fourth proportional to 726,804.74, 1,090,388.56 and 253,496.90 is: 380,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,804.74 : 1,090,388.56 = 253,496.90 : x
  2. Step 2: Convert to fraction form
    726,804.74/1,090,388.56 = 253,496.90/x
  3. Step 3: Cross multiply
    726,804.74x = 1,090,388.56 × 253,496.90
  4. Step 4: Simplify right side
    726,804.74x = 276,410,119,755.46
  5. Step 5: Solve for x
    x = 276,410,119,755.46/726,804.74
  6. Step 6: Final answer
    x = 380,308.64

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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.