Home / 816,222.80-1,126,406.58-453,661.94

Finding the Fourth Proportional to 816,222.80, 1,126,406.58 and 453,661.94

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Solution

The fourth proportional to 816,222.80, 1,126,406.58 and 453,661.94 is: 626,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,222.80 : 1,126,406.58 = 453,661.94 : x
  2. Step 2: Convert to fraction form
    816,222.80/1,126,406.58 = 453,661.94/x
  3. Step 3: Cross multiply
    816,222.80x = 1,126,406.58 × 453,661.94
  4. Step 4: Simplify right side
    816,222.80x = 511,007,794,311.57
  5. Step 5: Solve for x
    x = 511,007,794,311.57/816,222.80
  6. Step 6: Final answer
    x = 626,064.10

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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.