Home / 725,585.58-1,088,389.44-276,331.32

Finding the Fourth Proportional to 725,585.58, 1,088,389.44 and 276,331.32

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Solution

The fourth proportional to 725,585.58, 1,088,389.44 and 276,331.32 is: 414,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,585.58 : 1,088,389.44 = 276,331.32 : x
  2. Step 2: Convert to fraction form
    725,585.58/1,088,389.44 = 276,331.32/x
  3. Step 3: Cross multiply
    725,585.58x = 1,088,389.44 × 276,331.32
  4. Step 4: Simplify right side
    725,585.58x = 300,756,090,629.26
  5. Step 5: Solve for x
    x = 300,756,090,629.26/725,585.58
  6. Step 6: Final answer
    x = 414,501.20

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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.