Home / 764,000.68-1,145,999.88-203,035.24

Finding the Fourth Proportional to 764,000.68, 1,145,999.88 and 203,035.24

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Solution

The fourth proportional to 764,000.68, 1,145,999.88 and 203,035.24 is: 304,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,000.68 : 1,145,999.88 = 203,035.24 : x
  2. Step 2: Convert to fraction form
    764,000.68/1,145,999.88 = 203,035.24/x
  3. Step 3: Cross multiply
    764,000.68x = 1,145,999.88 × 203,035.24
  4. Step 4: Simplify right side
    764,000.68x = 232,678,360,675.77
  5. Step 5: Solve for x
    x = 232,678,360,675.77/764,000.68
  6. Step 6: Final answer
    x = 304,552.56

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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.