Home / 495,032.36-683,027.57-280,172.42

Finding the Fourth Proportional to 495,032.36, 683,027.57 and 280,172.42

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Solution

The fourth proportional to 495,032.36, 683,027.57 and 280,172.42 is: 386,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,032.36 : 683,027.57 = 280,172.42 : x
  2. Step 2: Convert to fraction form
    495,032.36/683,027.57 = 280,172.42/x
  3. Step 3: Cross multiply
    495,032.36x = 683,027.57 × 280,172.42
  4. Step 4: Simplify right side
    495,032.36x = 191,365,487,520.33
  5. Step 5: Solve for x
    x = 191,365,487,520.33/495,032.36
  6. Step 6: Final answer
    x = 386,571.68

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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.