Home / 764,428.32-1,146,638.88-195,808.32

Finding the Fourth Proportional to 764,428.32, 1,146,638.88 and 195,808.32

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Solution

The fourth proportional to 764,428.32, 1,146,638.88 and 195,808.32 is: 293,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,428.32 : 1,146,638.88 = 195,808.32 : x
  2. Step 2: Convert to fraction form
    764,428.32/1,146,638.88 = 195,808.32/x
  3. Step 3: Cross multiply
    764,428.32x = 1,146,638.88 × 195,808.32
  4. Step 4: Simplify right side
    764,428.32x = 224,521,432,739.48
  5. Step 5: Solve for x
    x = 224,521,432,739.48/764,428.32
  6. Step 6: Final answer
    x = 293,711.56

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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.