Home / 902,860.48-1,245,961.74-540,299.80

Finding the Fourth Proportional to 902,860.48, 1,245,961.74 and 540,299.80

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Solution

The fourth proportional to 902,860.48, 1,245,961.74 and 540,299.80 is: 745,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,860.48 : 1,245,961.74 = 540,299.80 : x
  2. Step 2: Convert to fraction form
    902,860.48/1,245,961.74 = 540,299.80/x
  3. Step 3: Cross multiply
    902,860.48x = 1,245,961.74 × 540,299.80
  4. Step 4: Simplify right side
    902,860.48x = 673,192,878,929.65
  5. Step 5: Solve for x
    x = 673,192,878,929.65/902,860.48
  6. Step 6: Final answer
    x = 745,622.27

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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.