Home / 764,211.90-1,146,427.20-231,774.60

Finding the Fourth Proportional to 764,211.90, 1,146,427.20 and 231,774.60

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Solution

The fourth proportional to 764,211.90, 1,146,427.20 and 231,774.60 is: 347,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,211.90 : 1,146,427.20 = 231,774.60 : x
  2. Step 2: Convert to fraction form
    764,211.90/1,146,427.20 = 231,774.60/x
  3. Step 3: Cross multiply
    764,211.90x = 1,146,427.20 × 231,774.60
  4. Step 4: Simplify right side
    764,211.90x = 265,712,705,709.12
  5. Step 5: Solve for x
    x = 265,712,705,709.12/764,211.90
  6. Step 6: Final answer
    x = 347,695.06

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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.