Home / 509,548.20-764,322.30-273,352.20

Finding the Fourth Proportional to 509,548.20, 764,322.30 and 273,352.20

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Solution

The fourth proportional to 509,548.20, 764,322.30 and 273,352.20 is: 410,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,548.20 : 764,322.30 = 273,352.20 : x
  2. Step 2: Convert to fraction form
    509,548.20/764,322.30 = 273,352.20/x
  3. Step 3: Cross multiply
    509,548.20x = 764,322.30 × 273,352.20
  4. Step 4: Simplify right side
    509,548.20x = 208,929,182,214.06
  5. Step 5: Solve for x
    x = 208,929,182,214.06/509,548.20
  6. Step 6: Final answer
    x = 410,028.30

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Similar ratio
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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.