Home / 798,630.85-1,198,186.40-479,134.45

Finding the Fourth Proportional to 798,630.85, 1,198,186.40 and 479,134.45

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Solution

The fourth proportional to 798,630.85, 1,198,186.40 and 479,134.45 is: 718,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,630.85 : 1,198,186.40 = 479,134.45 : x
  2. Step 2: Convert to fraction form
    798,630.85/1,198,186.40 = 479,134.45/x
  3. Step 3: Cross multiply
    798,630.85x = 1,198,186.40 × 479,134.45
  4. Step 4: Simplify right side
    798,630.85x = 574,092,379,365.81
  5. Step 5: Solve for x
    x = 574,092,379,365.81/798,630.85
  6. Step 6: Final answer
    x = 718,845.73

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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.