Home / 889,395.77-1,331,942.88-509,163.27

Finding the Fourth Proportional to 889,395.77, 1,331,942.88 and 509,163.27

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Solution

The fourth proportional to 889,395.77, 1,331,942.88 and 509,163.27 is: 762,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,395.77 : 1,331,942.88 = 509,163.27 : x
  2. Step 2: Convert to fraction form
    889,395.77/1,331,942.88 = 509,163.27/x
  3. Step 3: Cross multiply
    889,395.77x = 1,331,942.88 × 509,163.27
  4. Step 4: Simplify right side
    889,395.77x = 678,176,385,329.87
  5. Step 5: Solve for x
    x = 678,176,385,329.87/889,395.77
  6. Step 6: Final answer
    x = 762,513.61

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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.