Home / 683,525.20-1,025,385.84-210,250.48

Finding the Fourth Proportional to 683,525.20, 1,025,385.84 and 210,250.48

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Solution

The fourth proportional to 683,525.20, 1,025,385.84 and 210,250.48 is: 315,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,525.20 : 1,025,385.84 = 210,250.48 : x
  2. Step 2: Convert to fraction form
    683,525.20/1,025,385.84 = 210,250.48/x
  3. Step 3: Cross multiply
    683,525.20x = 1,025,385.84 × 210,250.48
  4. Step 4: Simplify right side
    683,525.20x = 215,587,865,045.20
  5. Step 5: Solve for x
    x = 215,587,865,045.20/683,525.20
  6. Step 6: Final answer
    x = 315,405.88

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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.