Home / 764,287.80-1,146,140.10-231,631.80

Finding the Fourth Proportional to 764,287.80, 1,146,140.10 and 231,631.80

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Solution

The fourth proportional to 764,287.80, 1,146,140.10 and 231,631.80 is: 347,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,287.80 : 1,146,140.10 = 231,631.80 : x
  2. Step 2: Convert to fraction form
    764,287.80/1,146,140.10 = 231,631.80/x
  3. Step 3: Cross multiply
    764,287.80x = 1,146,140.10 × 231,631.80
  4. Step 4: Simplify right side
    764,287.80x = 265,482,494,415.18
  5. Step 5: Solve for x
    x = 265,482,494,415.18/764,287.80
  6. Step 6: Final answer
    x = 347,359.33

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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.