Home / 816,093.97-1,125,022.72-570,315.65

Finding the Fourth Proportional to 816,093.97, 1,125,022.72 and 570,315.65

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Solution

The fourth proportional to 816,093.97, 1,125,022.72 and 570,315.65 is: 786,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,093.97 : 1,125,022.72 = 570,315.65 : x
  2. Step 2: Convert to fraction form
    816,093.97/1,125,022.72 = 570,315.65/x
  3. Step 3: Cross multiply
    816,093.97x = 1,125,022.72 × 570,315.65
  4. Step 4: Simplify right side
    816,093.97x = 641,618,068,936.40
  5. Step 5: Solve for x
    x = 641,618,068,936.40/816,093.97
  6. Step 6: Final answer
    x = 786,206.12

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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.