Home / 494,983.28-682,560.60-293,740.40

Finding the Fourth Proportional to 494,983.28, 682,560.60 and 293,740.40

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Solution

The fourth proportional to 494,983.28, 682,560.60 and 293,740.40 is: 405,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,983.28 : 682,560.60 = 293,740.40 : x
  2. Step 2: Convert to fraction form
    494,983.28/682,560.60 = 293,740.40/x
  3. Step 3: Cross multiply
    494,983.28x = 682,560.60 × 293,740.40
  4. Step 4: Simplify right side
    494,983.28x = 200,495,623,668.24
  5. Step 5: Solve for x
    x = 200,495,623,668.24/494,983.28
  6. Step 6: Final answer
    x = 405,055.35

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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.