Home / 821,629.43-1,133,735.90-459,008.22

Finding the Fourth Proportional to 821,629.43, 1,133,735.90 and 459,008.22

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Solution

The fourth proportional to 821,629.43, 1,133,735.90 and 459,008.22 is: 633,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,629.43 : 1,133,735.90 = 459,008.22 : x
  2. Step 2: Convert to fraction form
    821,629.43/1,133,735.90 = 459,008.22/x
  3. Step 3: Cross multiply
    821,629.43x = 1,133,735.90 × 459,008.22
  4. Step 4: Simplify right side
    821,629.43x = 520,394,095,114.06
  5. Step 5: Solve for x
    x = 520,394,095,114.06/821,629.43
  6. Step 6: Final answer
    x = 633,368.38

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1.5x scale

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.