Home / 764,271.40-1,146,261.30-231,809.80

Finding the Fourth Proportional to 764,271.40, 1,146,261.30 and 231,809.80

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Solution

The fourth proportional to 764,271.40, 1,146,261.30 and 231,809.80 is: 347,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,271.40 : 1,146,261.30 = 231,809.80 : x
  2. Step 2: Convert to fraction form
    764,271.40/1,146,261.30 = 231,809.80/x
  3. Step 3: Cross multiply
    764,271.40x = 1,146,261.30 × 231,809.80
  4. Step 4: Simplify right side
    764,271.40x = 265,714,602,700.74
  5. Step 5: Solve for x
    x = 265,714,602,700.74/764,271.40
  6. Step 6: Final answer
    x = 347,670.48

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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.