Home / 578,738.43-798,636.65-324,076.59

Finding the Fourth Proportional to 578,738.43, 798,636.65 and 324,076.59

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Solution

The fourth proportional to 578,738.43, 798,636.65 and 324,076.59 is: 447,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,738.43 : 798,636.65 = 324,076.59 : x
  2. Step 2: Convert to fraction form
    578,738.43/798,636.65 = 324,076.59/x
  3. Step 3: Cross multiply
    578,738.43x = 798,636.65 × 324,076.59
  4. Step 4: Simplify right side
    578,738.43x = 258,819,440,560.64
  5. Step 5: Solve for x
    x = 258,819,440,560.64/578,738.43
  6. Step 6: Final answer
    x = 447,213.16

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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.