Home / 764,433.60-1,146,650.40-195,813.60

Finding the Fourth Proportional to 764,433.60, 1,146,650.40 and 195,813.60

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Solution

The fourth proportional to 764,433.60, 1,146,650.40 and 195,813.60 is: 293,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,433.60 : 1,146,650.40 = 195,813.60 : x
  2. Step 2: Convert to fraction form
    764,433.60/1,146,650.40 = 195,813.60/x
  3. Step 3: Cross multiply
    764,433.60x = 1,146,650.40 × 195,813.60
  4. Step 4: Simplify right side
    764,433.60x = 224,529,742,765.44
  5. Step 5: Solve for x
    x = 224,529,742,765.44/764,433.60
  6. Step 6: Final answer
    x = 293,720.40

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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.