Home / 684,638.22-1,027,200.64-305,524.46

Finding the Fourth Proportional to 684,638.22, 1,027,200.64 and 305,524.46

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Solution

The fourth proportional to 684,638.22, 1,027,200.64 and 305,524.46 is: 458,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,638.22 : 1,027,200.64 = 305,524.46 : x
  2. Step 2: Convert to fraction form
    684,638.22/1,027,200.64 = 305,524.46/x
  3. Step 3: Cross multiply
    684,638.22x = 1,027,200.64 × 305,524.46
  4. Step 4: Simplify right side
    684,638.22x = 313,834,920,847.65
  5. Step 5: Solve for x
    x = 313,834,920,847.65/684,638.22
  6. Step 6: Final answer
    x = 458,395.27

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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.