Home / 680,791.06-1,020,713.66-301,505.09

Finding the Fourth Proportional to 680,791.06, 1,020,713.66 and 301,505.09

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Solution

The fourth proportional to 680,791.06, 1,020,713.66 and 301,505.09 is: 452,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,791.06 : 1,020,713.66 = 301,505.09 : x
  2. Step 2: Convert to fraction form
    680,791.06/1,020,713.66 = 301,505.09/x
  3. Step 3: Cross multiply
    680,791.06x = 1,020,713.66 × 301,505.09
  4. Step 4: Simplify right side
    680,791.06x = 307,750,362,415.00
  5. Step 5: Solve for x
    x = 307,750,362,415.00/680,791.06
  6. Step 6: Final answer
    x = 452,048.19

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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.