Home / 492,469.40-679,618.17-277,609.46

Finding the Fourth Proportional to 492,469.40, 679,618.17 and 277,609.46

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Solution

The fourth proportional to 492,469.40, 679,618.17 and 277,609.46 is: 383,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,469.40 : 679,618.17 = 277,609.46 : x
  2. Step 2: Convert to fraction form
    492,469.40/679,618.17 = 277,609.46/x
  3. Step 3: Cross multiply
    492,469.40x = 679,618.17 × 277,609.46
  4. Step 4: Simplify right side
    492,469.40x = 188,668,435,495.83
  5. Step 5: Solve for x
    x = 188,668,435,495.83/492,469.40
  6. Step 6: Final answer
    x = 383,106.92

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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.