Home / 495,630.80-743,028.24-214,936.64

Finding the Fourth Proportional to 495,630.80, 743,028.24 and 214,936.64

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Solution

The fourth proportional to 495,630.80, 743,028.24 and 214,936.64 is: 322,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,630.80 : 743,028.24 = 214,936.64 : x
  2. Step 2: Convert to fraction form
    495,630.80/743,028.24 = 214,936.64/x
  3. Step 3: Cross multiply
    495,630.80x = 743,028.24 × 214,936.64
  4. Step 4: Simplify right side
    495,630.80x = 159,703,993,330.71
  5. Step 5: Solve for x
    x = 159,703,993,330.71/495,630.80
  6. Step 6: Final answer
    x = 322,223.71

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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.