Home / 764,427.30-1,146,636.90-195,807.30

Finding the Fourth Proportional to 764,427.30, 1,146,636.90 and 195,807.30

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Solution

The fourth proportional to 764,427.30, 1,146,636.90 and 195,807.30 is: 293,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,427.30 : 1,146,636.90 = 195,807.30 : x
  2. Step 2: Convert to fraction form
    764,427.30/1,146,636.90 = 195,807.30/x
  3. Step 3: Cross multiply
    764,427.30x = 1,146,636.90 × 195,807.30
  4. Step 4: Simplify right side
    764,427.30x = 224,519,875,469.37
  5. Step 5: Solve for x
    x = 224,519,875,469.37/764,427.30
  6. Step 6: Final answer
    x = 293,709.91

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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.