Home / 764,472.60-1,146,846.60-314,947.80

Finding the Fourth Proportional to 764,472.60, 1,146,846.60 and 314,947.80

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Solution

The fourth proportional to 764,472.60, 1,146,846.60 and 314,947.80 is: 472,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,472.60 : 1,146,846.60 = 314,947.80 : x
  2. Step 2: Convert to fraction form
    764,472.60/1,146,846.60 = 314,947.80/x
  3. Step 3: Cross multiply
    764,472.60x = 1,146,846.60 × 314,947.80
  4. Step 4: Simplify right side
    764,472.60x = 361,196,813,607.48
  5. Step 5: Solve for x
    x = 361,196,813,607.48/764,472.60
  6. Step 6: Final answer
    x = 472,478.43

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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.