Home / 854,847.09-1,179,586.20-492,388.83

Finding the Fourth Proportional to 854,847.09, 1,179,586.20 and 492,388.83

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Solution

The fourth proportional to 854,847.09, 1,179,586.20 and 492,388.83 is: 679,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,847.09 : 1,179,586.20 = 492,388.83 : x
  2. Step 2: Convert to fraction form
    854,847.09/1,179,586.20 = 492,388.83/x
  3. Step 3: Cross multiply
    854,847.09x = 1,179,586.20 × 492,388.83
  4. Step 4: Simplify right side
    854,847.09x = 580,815,068,902.15
  5. Step 5: Solve for x
    x = 580,815,068,902.15/854,847.09
  6. Step 6: Final answer
    x = 679,437.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.