Home / 839,025.43-1,257,695.44-269,988.32

Finding the Fourth Proportional to 839,025.43, 1,257,695.44 and 269,988.32

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Solution

The fourth proportional to 839,025.43, 1,257,695.44 and 269,988.32 is: 404,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,025.43 : 1,257,695.44 = 269,988.32 : x
  2. Step 2: Convert to fraction form
    839,025.43/1,257,695.44 = 269,988.32/x
  3. Step 3: Cross multiply
    839,025.43x = 1,257,695.44 × 269,988.32
  4. Step 4: Simplify right side
    839,025.43x = 339,563,081,386.53
  5. Step 5: Solve for x
    x = 339,563,081,386.53/839,025.43
  6. Step 6: Final answer
    x = 404,711.31

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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.