Home / 495,202.44-683,421.66-280,380.36

Finding the Fourth Proportional to 495,202.44, 683,421.66 and 280,380.36

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Solution

The fourth proportional to 495,202.44, 683,421.66 and 280,380.36 is: 386,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,202.44 : 683,421.66 = 280,380.36 : x
  2. Step 2: Convert to fraction form
    495,202.44/683,421.66 = 280,380.36/x
  3. Step 3: Cross multiply
    495,202.44x = 683,421.66 × 280,380.36
  4. Step 4: Simplify right side
    495,202.44x = 191,618,011,062.60
  5. Step 5: Solve for x
    x = 191,618,011,062.60/495,202.44
  6. Step 6: Final answer
    x = 386,948.84

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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.