Home / 725,684.68-1,088,538.06-252,386.32

Finding the Fourth Proportional to 725,684.68, 1,088,538.06 and 252,386.32

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Solution

The fourth proportional to 725,684.68, 1,088,538.06 and 252,386.32 is: 378,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,684.68 : 1,088,538.06 = 252,386.32 : x
  2. Step 2: Convert to fraction form
    725,684.68/1,088,538.06 = 252,386.32/x
  3. Step 3: Cross multiply
    725,684.68x = 1,088,538.06 × 252,386.32
  4. Step 4: Simplify right side
    725,684.68x = 274,732,115,143.34
  5. Step 5: Solve for x
    x = 274,732,115,143.34/725,684.68
  6. Step 6: Final answer
    x = 378,583.32

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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.