Home / 764,278.40-1,146,271.80-231,816.80

Finding the Fourth Proportional to 764,278.40, 1,146,271.80 and 231,816.80

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Solution

The fourth proportional to 764,278.40, 1,146,271.80 and 231,816.80 is: 347,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,278.40 : 1,146,271.80 = 231,816.80 : x
  2. Step 2: Convert to fraction form
    764,278.40/1,146,271.80 = 231,816.80/x
  3. Step 3: Cross multiply
    764,278.40x = 1,146,271.80 × 231,816.80
  4. Step 4: Simplify right side
    764,278.40x = 265,725,060,606.24
  5. Step 5: Solve for x
    x = 265,725,060,606.24/764,278.40
  6. Step 6: Final answer
    x = 347,680.98

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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.