Home / 682,983.36-1,025,323.88-442,309.50

Finding the Fourth Proportional to 682,983.36, 1,025,323.88 and 442,309.50

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Solution

The fourth proportional to 682,983.36, 1,025,323.88 and 442,309.50 is: 664,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,983.36 : 1,025,323.88 = 442,309.50 : x
  2. Step 2: Convert to fraction form
    682,983.36/1,025,323.88 = 442,309.50/x
  3. Step 3: Cross multiply
    682,983.36x = 1,025,323.88 × 442,309.50
  4. Step 4: Simplify right side
    682,983.36x = 453,510,490,489.31
  5. Step 5: Solve for x
    x = 453,510,490,489.31/682,983.36
  6. Step 6: Final answer
    x = 664,013.97

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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.