Home / 764,106.40-1,146,159.60-231,601.06

Finding the Fourth Proportional to 764,106.40, 1,146,159.60 and 231,601.06

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Solution

The fourth proportional to 764,106.40, 1,146,159.60 and 231,601.06 is: 347,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,106.40 : 1,146,159.60 = 231,601.06 : x
  2. Step 2: Convert to fraction form
    764,106.40/1,146,159.60 = 231,601.06/x
  3. Step 3: Cross multiply
    764,106.40x = 1,146,159.60 × 231,601.06
  4. Step 4: Simplify right side
    764,106.40x = 265,451,778,289.18
  5. Step 5: Solve for x
    x = 265,451,778,289.18/764,106.40
  6. Step 6: Final answer
    x = 347,401.59

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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.