Home / 854,749.72-1,179,613.29-492,269.05

Finding the Fourth Proportional to 854,749.72, 1,179,613.29 and 492,269.05

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Solution

The fourth proportional to 854,749.72, 1,179,613.29 and 492,269.05 is: 679,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,749.72 : 1,179,613.29 = 492,269.05 : x
  2. Step 2: Convert to fraction form
    854,749.72/1,179,613.29 = 492,269.05/x
  3. Step 3: Cross multiply
    854,749.72x = 1,179,613.29 × 492,269.05
  4. Step 4: Simplify right side
    854,749.72x = 580,687,113,635.68
  5. Step 5: Solve for x
    x = 580,687,113,635.68/854,749.72
  6. Step 6: Final answer
    x = 679,365.08

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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.