Home / 492,968.10-739,160.55-256,772.10

Finding the Fourth Proportional to 492,968.10, 739,160.55 and 256,772.10

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Solution

The fourth proportional to 492,968.10, 739,160.55 and 256,772.10 is: 385,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,968.10 : 739,160.55 = 256,772.10 : x
  2. Step 2: Convert to fraction form
    492,968.10/739,160.55 = 256,772.10/x
  3. Step 3: Cross multiply
    492,968.10x = 739,160.55 × 256,772.10
  4. Step 4: Simplify right side
    492,968.10x = 189,795,806,660.66
  5. Step 5: Solve for x
    x = 189,795,806,660.66/492,968.10
  6. Step 6: Final answer
    x = 385,006.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.