Home / 492,809.60-680,077.04-277,949.18

Finding the Fourth Proportional to 492,809.60, 680,077.04 and 277,949.18

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Solution

The fourth proportional to 492,809.60, 680,077.04 and 277,949.18 is: 383,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,809.60 : 680,077.04 = 277,949.18 : x
  2. Step 2: Convert to fraction form
    492,809.60/680,077.04 = 277,949.18/x
  3. Step 3: Cross multiply
    492,809.60x = 680,077.04 × 277,949.18
  4. Step 4: Simplify right side
    492,809.60x = 189,026,855,604.83
  5. Step 5: Solve for x
    x = 189,026,855,604.83/492,809.60
  6. Step 6: Final answer
    x = 383,569.75

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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.