Home / 981,936.35-1,355,050.89-568,490.55

Finding the Fourth Proportional to 981,936.35, 1,355,050.89 and 568,490.55

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Solution

The fourth proportional to 981,936.35, 1,355,050.89 and 568,490.55 is: 784,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,936.35 : 1,355,050.89 = 568,490.55 : x
  2. Step 2: Convert to fraction form
    981,936.35/1,355,050.89 = 568,490.55/x
  3. Step 3: Cross multiply
    981,936.35x = 1,355,050.89 × 568,490.55
  4. Step 4: Simplify right side
    981,936.35x = 770,333,620,652.65
  5. Step 5: Solve for x
    x = 770,333,620,652.65/981,936.35
  6. Step 6: Final answer
    x = 784,504.64

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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.