Home / 767,334.68-1,150,685.31-261,936.40

Finding the Fourth Proportional to 767,334.68, 1,150,685.31 and 261,936.40

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Solution

The fourth proportional to 767,334.68, 1,150,685.31 and 261,936.40 is: 392,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,334.68 : 1,150,685.31 = 261,936.40 : x
  2. Step 2: Convert to fraction form
    767,334.68/1,150,685.31 = 261,936.40/x
  3. Step 3: Cross multiply
    767,334.68x = 1,150,685.31 × 261,936.40
  4. Step 4: Simplify right side
    767,334.68x = 301,406,369,856.16
  5. Step 5: Solve for x
    x = 301,406,369,856.16/767,334.68
  6. Step 6: Final answer
    x = 392,796.49

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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.