Home / 764,061.90-1,146,231.20-251,754.40

Finding the Fourth Proportional to 764,061.90, 1,146,231.20 and 251,754.40

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Solution

The fourth proportional to 764,061.90, 1,146,231.20 and 251,754.40 is: 377,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,061.90 : 1,146,231.20 = 251,754.40 : x
  2. Step 2: Convert to fraction form
    764,061.90/1,146,231.20 = 251,754.40/x
  3. Step 3: Cross multiply
    764,061.90x = 1,146,231.20 × 251,754.40
  4. Step 4: Simplify right side
    764,061.90x = 288,568,748,017.28
  5. Step 5: Solve for x
    x = 288,568,748,017.28/764,061.90
  6. Step 6: Final answer
    x = 377,677.19

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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.