Home / 680,953.86-1,021,802.31-281,629.26

Finding the Fourth Proportional to 680,953.86, 1,021,802.31 and 281,629.26

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Solution

The fourth proportional to 680,953.86, 1,021,802.31 and 281,629.26 is: 422,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,953.86 : 1,021,802.31 = 281,629.26 : x
  2. Step 2: Convert to fraction form
    680,953.86/1,021,802.31 = 281,629.26/x
  3. Step 3: Cross multiply
    680,953.86x = 1,021,802.31 × 281,629.26
  4. Step 4: Simplify right side
    680,953.86x = 287,769,428,431.59
  5. Step 5: Solve for x
    x = 287,769,428,431.59/680,953.86
  6. Step 6: Final answer
    x = 422,597.54

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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.