Home / 684,817.62-1,027,025.82-258,045.54

Finding the Fourth Proportional to 684,817.62, 1,027,025.82 and 258,045.54

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Solution

The fourth proportional to 684,817.62, 1,027,025.82 and 258,045.54 is: 386,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,817.62 : 1,027,025.82 = 258,045.54 : x
  2. Step 2: Convert to fraction form
    684,817.62/1,027,025.82 = 258,045.54/x
  3. Step 3: Cross multiply
    684,817.62x = 1,027,025.82 × 258,045.54
  4. Step 4: Simplify right side
    684,817.62x = 265,019,432,315.84
  5. Step 5: Solve for x
    x = 265,019,432,315.84/684,817.62
  6. Step 6: Final answer
    x = 386,992.72

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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.