Home / 495,394.23-683,644.01-280,575.82

Finding the Fourth Proportional to 495,394.23, 683,644.01 and 280,575.82

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Solution

The fourth proportional to 495,394.23, 683,644.01 and 280,575.82 is: 387,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,394.23 : 683,644.01 = 280,575.82 : x
  2. Step 2: Convert to fraction form
    495,394.23/683,644.01 = 280,575.82/x
  3. Step 3: Cross multiply
    495,394.23x = 683,644.01 × 280,575.82
  4. Step 4: Simplify right side
    495,394.23x = 191,813,978,693.84
  5. Step 5: Solve for x
    x = 191,813,978,693.84/495,394.23
  6. Step 6: Final answer
    x = 387,194.62

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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.