Home / 857,427.48-1,183,164.66-494,968.11

Finding the Fourth Proportional to 857,427.48, 1,183,164.66 and 494,968.11

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Solution

The fourth proportional to 857,427.48, 1,183,164.66 and 494,968.11 is: 683,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,427.48 : 1,183,164.66 = 494,968.11 : x
  2. Step 2: Convert to fraction form
    857,427.48/1,183,164.66 = 494,968.11/x
  3. Step 3: Cross multiply
    857,427.48x = 1,183,164.66 × 494,968.11
  4. Step 4: Simplify right side
    857,427.48x = 585,628,775,578.99
  5. Step 5: Solve for x
    x = 585,628,775,578.99/857,427.48
  6. Step 6: Final answer
    x = 683,006.77

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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.