Home / 845,336.85-1,166,609.57-463,379.73

Finding the Fourth Proportional to 845,336.85, 1,166,609.57 and 463,379.73

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Solution

The fourth proportional to 845,336.85, 1,166,609.57 and 463,379.73 is: 639,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,336.85 : 1,166,609.57 = 463,379.73 : x
  2. Step 2: Convert to fraction form
    845,336.85/1,166,609.57 = 463,379.73/x
  3. Step 3: Cross multiply
    845,336.85x = 1,166,609.57 × 463,379.73
  4. Step 4: Simplify right side
    845,336.85x = 540,583,225,245.12
  5. Step 5: Solve for x
    x = 540,583,225,245.12/845,336.85
  6. Step 6: Final answer
    x = 639,488.54

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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.