Home / 839,030.69-1,257,703.31-269,993.58

Finding the Fourth Proportional to 839,030.69, 1,257,703.31 and 269,993.58

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Solution

The fourth proportional to 839,030.69, 1,257,703.31 and 269,993.58 is: 404,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,030.69 : 1,257,703.31 = 269,993.58 : x
  2. Step 2: Convert to fraction form
    839,030.69/1,257,703.31 = 269,993.58/x
  3. Step 3: Cross multiply
    839,030.69x = 1,257,703.31 × 269,993.58
  4. Step 4: Simplify right side
    839,030.69x = 339,571,817,894.78
  5. Step 5: Solve for x
    x = 339,571,817,894.78/839,030.69
  6. Step 6: Final answer
    x = 404,719.19

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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.