Home / 683,710.94-943,290.14-396,995.24

Finding the Fourth Proportional to 683,710.94, 943,290.14 and 396,995.24

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Solution

The fourth proportional to 683,710.94, 943,290.14 and 396,995.24 is: 547,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,710.94 : 943,290.14 = 396,995.24 : x
  2. Step 2: Convert to fraction form
    683,710.94/943,290.14 = 396,995.24/x
  3. Step 3: Cross multiply
    683,710.94x = 943,290.14 × 396,995.24
  4. Step 4: Simplify right side
    683,710.94x = 374,481,695,518.93
  5. Step 5: Solve for x
    x = 374,481,695,518.93/683,710.94
  6. Step 6: Final answer
    x = 547,719.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.