Home / 683,553.60-1,025,407.20-210,235.20

Finding the Fourth Proportional to 683,553.60, 1,025,407.20 and 210,235.20

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Solution

The fourth proportional to 683,553.60, 1,025,407.20 and 210,235.20 is: 315,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,553.60 : 1,025,407.20 = 210,235.20 : x
  2. Step 2: Convert to fraction form
    683,553.60/1,025,407.20 = 210,235.20/x
  3. Step 3: Cross multiply
    683,553.60x = 1,025,407.20 × 210,235.20
  4. Step 4: Simplify right side
    683,553.60x = 215,576,687,773.44
  5. Step 5: Solve for x
    x = 215,576,687,773.44/683,553.60
  6. Step 6: Final answer
    x = 315,376.42

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1.5x scale

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.