Home / 764,109.30-1,146,163.95-365,528.55

Finding the Fourth Proportional to 764,109.30, 1,146,163.95 and 365,528.55

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Solution

The fourth proportional to 764,109.30, 1,146,163.95 and 365,528.55 is: 548,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,109.30 : 1,146,163.95 = 365,528.55 : x
  2. Step 2: Convert to fraction form
    764,109.30/1,146,163.95 = 365,528.55/x
  3. Step 3: Cross multiply
    764,109.30x = 1,146,163.95 × 365,528.55
  4. Step 4: Simplify right side
    764,109.30x = 418,955,646,705.77
  5. Step 5: Solve for x
    x = 418,955,646,705.77/764,109.30
  6. Step 6: Final answer
    x = 548,292.83

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Double scale
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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.