Home / 764,307.40-1,146,315.30-231,845.80

Finding the Fourth Proportional to 764,307.40, 1,146,315.30 and 231,845.80

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Solution

The fourth proportional to 764,307.40, 1,146,315.30 and 231,845.80 is: 347,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,307.40 : 1,146,315.30 = 231,845.80 : x
  2. Step 2: Convert to fraction form
    764,307.40/1,146,315.30 = 231,845.80/x
  3. Step 3: Cross multiply
    764,307.40x = 1,146,315.30 × 231,845.80
  4. Step 4: Simplify right side
    764,307.40x = 265,768,387,780.74
  5. Step 5: Solve for x
    x = 265,768,387,780.74/764,307.40
  6. Step 6: Final answer
    x = 347,724.47

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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.