Home / 683,399.20-1,025,196.80-210,124.32

Finding the Fourth Proportional to 683,399.20, 1,025,196.80 and 210,124.32

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Solution

The fourth proportional to 683,399.20, 1,025,196.80 and 210,124.32 is: 315,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,399.20 : 1,025,196.80 = 210,124.32 : x
  2. Step 2: Convert to fraction form
    683,399.20/1,025,196.80 = 210,124.32/x
  3. Step 3: Cross multiply
    683,399.20x = 1,025,196.80 × 210,124.32
  4. Step 4: Simplify right side
    683,399.20x = 215,418,780,466.18
  5. Step 5: Solve for x
    x = 215,418,780,466.18/683,399.20
  6. Step 6: Final answer
    x = 315,216.61

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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.