Home / 830,618.82-1,245,998.48-231,580.49

Finding the Fourth Proportional to 830,618.82, 1,245,998.48 and 231,580.49

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Solution

The fourth proportional to 830,618.82, 1,245,998.48 and 231,580.49 is: 347,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,618.82 : 1,245,998.48 = 231,580.49 : x
  2. Step 2: Convert to fraction form
    830,618.82/1,245,998.48 = 231,580.49/x
  3. Step 3: Cross multiply
    830,618.82x = 1,245,998.48 × 231,580.49
  4. Step 4: Simplify right side
    830,618.82x = 288,548,931,149.76
  5. Step 5: Solve for x
    x = 288,548,931,149.76/830,618.82
  6. Step 6: Final answer
    x = 347,390.31

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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.