Home / 764,326.90-1,146,655.28-231,890.82

Finding the Fourth Proportional to 764,326.90, 1,146,655.28 and 231,890.82

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Solution

The fourth proportional to 764,326.90, 1,146,655.28 and 231,890.82 is: 347,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,326.90 : 1,146,655.28 = 231,890.82 : x
  2. Step 2: Convert to fraction form
    764,326.90/1,146,655.28 = 231,890.82/x
  3. Step 3: Cross multiply
    764,326.90x = 1,146,655.28 × 231,890.82
  4. Step 4: Simplify right side
    764,326.90x = 265,898,833,136.53
  5. Step 5: Solve for x
    x = 265,898,833,136.53/764,326.90
  6. Step 6: Final answer
    x = 347,886.27

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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.