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Finding the Fourth Proportional to 484,599.33, 668,809.83 and 277,948.32

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Solution

The fourth proportional to 484,599.33, 668,809.83 and 277,948.32 is: 383,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,599.33 : 668,809.83 = 277,948.32 : x
  2. Step 2: Convert to fraction form
    484,599.33/668,809.83 = 277,948.32/x
  3. Step 3: Cross multiply
    484,599.33x = 668,809.83 × 277,948.32
  4. Step 4: Simplify right side
    484,599.33x = 185,894,568,647.99
  5. Step 5: Solve for x
    x = 185,894,568,647.99/484,599.33
  6. Step 6: Final answer
    x = 383,604.68

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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.