Home / 764,327.40-1,146,345.30-231,865.80

Finding the Fourth Proportional to 764,327.40, 1,146,345.30 and 231,865.80

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Solution

The fourth proportional to 764,327.40, 1,146,345.30 and 231,865.80 is: 347,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,327.40 : 1,146,345.30 = 231,865.80 : x
  2. Step 2: Convert to fraction form
    764,327.40/1,146,345.30 = 231,865.80/x
  3. Step 3: Cross multiply
    764,327.40x = 1,146,345.30 × 231,865.80
  4. Step 4: Simplify right side
    764,327.40x = 265,798,270,060.74
  5. Step 5: Solve for x
    x = 265,798,270,060.74/764,327.40
  6. Step 6: Final answer
    x = 347,754.47

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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.