Home / 839,026.19-1,257,696.56-269,989.07

Finding the Fourth Proportional to 839,026.19, 1,257,696.56 and 269,989.07

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Solution

The fourth proportional to 839,026.19, 1,257,696.56 and 269,989.07 is: 404,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,026.19 : 1,257,696.56 = 269,989.07 : x
  2. Step 2: Convert to fraction form
    839,026.19/1,257,696.56 = 269,989.07/x
  3. Step 3: Cross multiply
    839,026.19x = 1,257,696.56 × 269,989.07
  4. Step 4: Simplify right side
    839,026.19x = 339,564,316,938.17
  5. Step 5: Solve for x
    x = 339,564,316,938.17/839,026.19
  6. Step 6: Final answer
    x = 404,712.42

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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.