Home / 854,847.83-1,179,587.25-492,389.57

Finding the Fourth Proportional to 854,847.83, 1,179,587.25 and 492,389.57

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Solution

The fourth proportional to 854,847.83, 1,179,587.25 and 492,389.57 is: 679,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,847.83 : 1,179,587.25 = 492,389.57 : x
  2. Step 2: Convert to fraction form
    854,847.83/1,179,587.25 = 492,389.57/x
  3. Step 3: Cross multiply
    854,847.83x = 1,179,587.25 × 492,389.57
  4. Step 4: Simplify right side
    854,847.83x = 580,816,452,907.05
  5. Step 5: Solve for x
    x = 580,816,452,907.05/854,847.83
  6. Step 6: Final answer
    x = 679,438.42

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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.