Home / 756,965.88-1,134,163.62-456,815.88

Finding the Fourth Proportional to 756,965.88, 1,134,163.62 and 456,815.88

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Solution

The fourth proportional to 756,965.88, 1,134,163.62 and 456,815.88 is: 684,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,965.88 : 1,134,163.62 = 456,815.88 : x
  2. Step 2: Convert to fraction form
    756,965.88/1,134,163.62 = 456,815.88/x
  3. Step 3: Cross multiply
    756,965.88x = 1,134,163.62 × 456,815.88
  4. Step 4: Simplify right side
    756,965.88x = 518,103,952,134.29
  5. Step 5: Solve for x
    x = 518,103,952,134.29/756,965.88
  6. Step 6: Final answer
    x = 684,448.22

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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.