Home / 570,076.20-854,579.70-215,328.60

Finding the Fourth Proportional to 570,076.20, 854,579.70 and 215,328.60

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Solution

The fourth proportional to 570,076.20, 854,579.70 and 215,328.60 is: 322,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,076.20 : 854,579.70 = 215,328.60 : x
  2. Step 2: Convert to fraction form
    570,076.20/854,579.70 = 215,328.60/x
  3. Step 3: Cross multiply
    570,076.20x = 854,579.70 × 215,328.60
  4. Step 4: Simplify right side
    570,076.20x = 184,015,450,389.42
  5. Step 5: Solve for x
    x = 184,015,450,389.42/570,076.20
  6. Step 6: Final answer
    x = 322,790.97

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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.