Home / 764,421.93-1,146,799.51-231,984.63

Finding the Fourth Proportional to 764,421.93, 1,146,799.51 and 231,984.63

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Solution

The fourth proportional to 764,421.93, 1,146,799.51 and 231,984.63 is: 348,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,421.93 : 1,146,799.51 = 231,984.63 : x
  2. Step 2: Convert to fraction form
    764,421.93/1,146,799.51 = 231,984.63/x
  3. Step 3: Cross multiply
    764,421.93x = 1,146,799.51 × 231,984.63
  4. Step 4: Simplify right side
    764,421.93x = 266,039,859,431.57
  5. Step 5: Solve for x
    x = 266,039,859,431.57/764,421.93
  6. Step 6: Final answer
    x = 348,027.51

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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.