Home / 764,485.40-1,146,857.70-232,002.20

Finding the Fourth Proportional to 764,485.40, 1,146,857.70 and 232,002.20

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Solution

The fourth proportional to 764,485.40, 1,146,857.70 and 232,002.20 is: 348,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,485.40 : 1,146,857.70 = 232,002.20 : x
  2. Step 2: Convert to fraction form
    764,485.40/1,146,857.70 = 232,002.20/x
  3. Step 3: Cross multiply
    764,485.40x = 1,146,857.70 × 232,002.20
  4. Step 4: Simplify right side
    764,485.40x = 266,073,509,486.94
  5. Step 5: Solve for x
    x = 266,073,509,486.94/764,485.40
  6. Step 6: Final answer
    x = 348,042.63

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Half scale
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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.