Home / 764,506.89-1,146,753.05-203,541.39

Finding the Fourth Proportional to 764,506.89, 1,146,753.05 and 203,541.39

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Solution

The fourth proportional to 764,506.89, 1,146,753.05 and 203,541.39 is: 305,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,506.89 : 1,146,753.05 = 203,541.39 : x
  2. Step 2: Convert to fraction form
    764,506.89/1,146,753.05 = 203,541.39/x
  3. Step 3: Cross multiply
    764,506.89x = 1,146,753.05 × 203,541.39
  4. Step 4: Simplify right side
    764,506.89x = 233,411,708,766.03
  5. Step 5: Solve for x
    x = 233,411,708,766.03/764,506.89
  6. Step 6: Final answer
    x = 305,310.14

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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.