Home / 492,837.12-680,299.20-383,725.44

Finding the Fourth Proportional to 492,837.12, 680,299.20 and 383,725.44

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Solution

The fourth proportional to 492,837.12, 680,299.20 and 383,725.44 is: 529,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,837.12 : 680,299.20 = 383,725.44 : x
  2. Step 2: Convert to fraction form
    492,837.12/680,299.20 = 383,725.44/x
  3. Step 3: Cross multiply
    492,837.12x = 680,299.20 × 383,725.44
  4. Step 4: Simplify right side
    492,837.12x = 261,048,109,851.65
  5. Step 5: Solve for x
    x = 261,048,109,851.65/492,837.12
  6. Step 6: Final answer
    x = 529,684.35

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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.