Home / 324,419.54-444,447.38-312,290.24

Finding the Fourth Proportional to 324,419.54, 444,447.38 and 312,290.24

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Solution

The fourth proportional to 324,419.54, 444,447.38 and 312,290.24 is: 427,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,419.54 : 444,447.38 = 312,290.24 : x
  2. Step 2: Convert to fraction form
    324,419.54/444,447.38 = 312,290.24/x
  3. Step 3: Cross multiply
    324,419.54x = 444,447.38 × 312,290.24
  4. Step 4: Simplify right side
    324,419.54x = 138,796,576,647.74
  5. Step 5: Solve for x
    x = 138,796,576,647.74/324,419.54
  6. Step 6: Final answer
    x = 427,830.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.