Home / 492,819.54-680,063.04-277,946.76

Finding the Fourth Proportional to 492,819.54, 680,063.04 and 277,946.76

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Solution

The fourth proportional to 492,819.54, 680,063.04 and 277,946.76 is: 383,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,819.54 : 680,063.04 = 277,946.76 : x
  2. Step 2: Convert to fraction form
    492,819.54/680,063.04 = 277,946.76/x
  3. Step 3: Cross multiply
    492,819.54x = 680,063.04 × 277,946.76
  4. Step 4: Simplify right side
    492,819.54x = 189,021,318,563.75
  5. Step 5: Solve for x
    x = 189,021,318,563.75/492,819.54
  6. Step 6: Final answer
    x = 383,550.78

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1.5x scale

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.