Home / 546,769.20-821,028.60-413,799.60

Finding the Fourth Proportional to 546,769.20, 821,028.60 and 413,799.60

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Solution

The fourth proportional to 546,769.20, 821,028.60 and 413,799.60 is: 621,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,769.20 : 821,028.60 = 413,799.60 : x
  2. Step 2: Convert to fraction form
    546,769.20/821,028.60 = 413,799.60/x
  3. Step 3: Cross multiply
    546,769.20x = 821,028.60 × 413,799.60
  4. Step 4: Simplify right side
    546,769.20x = 339,741,306,268.56
  5. Step 5: Solve for x
    x = 339,741,306,268.56/546,769.20
  6. Step 6: Final answer
    x = 621,361.46

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1.5x scale

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.