Home / 816,975.33-1,222,842.69-436,945.81

Finding the Fourth Proportional to 816,975.33, 1,222,842.69 and 436,945.81

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Solution

The fourth proportional to 816,975.33, 1,222,842.69 and 436,945.81 is: 654,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,975.33 : 1,222,842.69 = 436,945.81 : x
  2. Step 2: Convert to fraction form
    816,975.33/1,222,842.69 = 436,945.81/x
  3. Step 3: Cross multiply
    816,975.33x = 1,222,842.69 × 436,945.81
  4. Step 4: Simplify right side
    816,975.33x = 534,315,989,684.63
  5. Step 5: Solve for x
    x = 534,315,989,684.63/816,975.33
  6. Step 6: Final answer
    x = 654,017.29

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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.