Home / 756,936.91-1,134,120.07-456,786.79

Finding the Fourth Proportional to 756,936.91, 1,134,120.07 and 456,786.79

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Solution

The fourth proportional to 756,936.91, 1,134,120.07 and 456,786.79 is: 684,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,936.91 : 1,134,120.07 = 456,786.79 : x
  2. Step 2: Convert to fraction form
    756,936.91/1,134,120.07 = 456,786.79/x
  3. Step 3: Cross multiply
    756,936.91x = 1,134,120.07 × 456,786.79
  4. Step 4: Simplify right side
    756,936.91x = 518,051,066,249.88
  5. Step 5: Solve for x
    x = 518,051,066,249.88/756,936.91
  6. Step 6: Final answer
    x = 684,404.55

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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.