Home / 943,021.43-1,413,679.29-343,842.48

Finding the Fourth Proportional to 943,021.43, 1,413,679.29 and 343,842.48

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Solution

The fourth proportional to 943,021.43, 1,413,679.29 and 343,842.48 is: 515,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,021.43 : 1,413,679.29 = 343,842.48 : x
  2. Step 2: Convert to fraction form
    943,021.43/1,413,679.29 = 343,842.48/x
  3. Step 3: Cross multiply
    943,021.43x = 1,413,679.29 × 343,842.48
  4. Step 4: Simplify right side
    943,021.43x = 486,082,992,998.24
  5. Step 5: Solve for x
    x = 486,082,992,998.24/943,021.43
  6. Step 6: Final answer
    x = 515,452.76

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1.5x scale

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.