Home / 820,939.14-1,133,085-481,516.74

Finding the Fourth Proportional to 820,939.14, 1,133,085 and 481,516.74

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Solution

The fourth proportional to 820,939.14, 1,133,085 and 481,516.74 is: 664,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,939.14 : 1,133,085 = 481,516.74 : x
  2. Step 2: Convert to fraction form
    820,939.14/1,133,085 = 481,516.74/x
  3. Step 3: Cross multiply
    820,939.14x = 1,133,085 × 481,516.74
  4. Step 4: Simplify right side
    820,939.14x = 545,599,395,342.90
  5. Step 5: Solve for x
    x = 545,599,395,342.90/820,939.14
  6. Step 6: Final answer
    x = 664,603.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.