Home / 684,934.23-1,027,408.40-305,874.28

Finding the Fourth Proportional to 684,934.23, 1,027,408.40 and 305,874.28

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Solution

The fourth proportional to 684,934.23, 1,027,408.40 and 305,874.28 is: 458,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,934.23 : 1,027,408.40 = 305,874.28 : x
  2. Step 2: Convert to fraction form
    684,934.23/1,027,408.40 = 305,874.28/x
  3. Step 3: Cross multiply
    684,934.23x = 1,027,408.40 × 305,874.28
  4. Step 4: Simplify right side
    684,934.23x = 314,257,801,459.24
  5. Step 5: Solve for x
    x = 314,257,801,459.24/684,934.23
  6. Step 6: Final answer
    x = 458,814.57

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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.