Home / 436,403.10-654,929.13-324,344.22

Finding the Fourth Proportional to 436,403.10, 654,929.13 and 324,344.22

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Solution

The fourth proportional to 436,403.10, 654,929.13 and 324,344.22 is: 486,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,403.10 : 654,929.13 = 324,344.22 : x
  2. Step 2: Convert to fraction form
    436,403.10/654,929.13 = 324,344.22/x
  3. Step 3: Cross multiply
    436,403.10x = 654,929.13 × 324,344.22
  4. Step 4: Simplify right side
    436,403.10x = 212,422,477,825.13
  5. Step 5: Solve for x
    x = 212,422,477,825.13/436,403.10
  6. Step 6: Final answer
    x = 486,757.49

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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.