Home / 495,624.03-683,988.20-280,805.96

Finding the Fourth Proportional to 495,624.03, 683,988.20 and 280,805.96

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Solution

The fourth proportional to 495,624.03, 683,988.20 and 280,805.96 is: 387,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,624.03 : 683,988.20 = 280,805.96 : x
  2. Step 2: Convert to fraction form
    495,624.03/683,988.20 = 280,805.96/x
  3. Step 3: Cross multiply
    495,624.03x = 683,988.20 × 280,805.96
  4. Step 4: Simplify right side
    495,624.03x = 192,067,960,641.20
  5. Step 5: Solve for x
    x = 192,067,960,641.20/495,624.03
  6. Step 6: Final answer
    x = 387,527.54

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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.