Home / 464,787.46-641,991.32-383,410.60

Finding the Fourth Proportional to 464,787.46, 641,991.32 and 383,410.60

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Solution

The fourth proportional to 464,787.46, 641,991.32 and 383,410.60 is: 529,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,787.46 : 641,991.32 = 383,410.60 : x
  2. Step 2: Convert to fraction form
    464,787.46/641,991.32 = 383,410.60/x
  3. Step 3: Cross multiply
    464,787.46x = 641,991.32 × 383,410.60
  4. Step 4: Simplify right side
    464,787.46x = 246,146,277,195.99
  5. Step 5: Solve for x
    x = 246,146,277,195.99/464,787.46
  6. Step 6: Final answer
    x = 529,588.89

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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.