Home / 764,456.84-1,146,692.21-231,977.90

Finding the Fourth Proportional to 764,456.84, 1,146,692.21 and 231,977.90

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Solution

The fourth proportional to 764,456.84, 1,146,692.21 and 231,977.90 is: 347,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,456.84 : 1,146,692.21 = 231,977.90 : x
  2. Step 2: Convert to fraction form
    764,456.84/1,146,692.21 = 231,977.90/x
  3. Step 3: Cross multiply
    764,456.84x = 1,146,692.21 × 231,977.90
  4. Step 4: Simplify right side
    764,456.84x = 266,007,243,928.81
  5. Step 5: Solve for x
    x = 266,007,243,928.81/764,456.84
  6. Step 6: Final answer
    x = 347,968.95

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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.