Home / 492,442.10-738,687.45-256,246.10

Finding the Fourth Proportional to 492,442.10, 738,687.45 and 256,246.10

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Solution

The fourth proportional to 492,442.10, 738,687.45 and 256,246.10 is: 384,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,442.10 : 738,687.45 = 256,246.10 : x
  2. Step 2: Convert to fraction form
    492,442.10/738,687.45 = 256,246.10/x
  3. Step 3: Cross multiply
    492,442.10x = 738,687.45 × 256,246.10
  4. Step 4: Simplify right side
    492,442.10x = 189,285,778,181.45
  5. Step 5: Solve for x
    x = 189,285,778,181.45/492,442.10
  6. Step 6: Final answer
    x = 384,381.79

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1.5x scale

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.