Home / 419,911.26-579,395.43-247,883.10

Finding the Fourth Proportional to 419,911.26, 579,395.43 and 247,883.10

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Solution

The fourth proportional to 419,911.26, 579,395.43 and 247,883.10 is: 342,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,911.26 : 579,395.43 = 247,883.10 : x
  2. Step 2: Convert to fraction form
    419,911.26/579,395.43 = 247,883.10/x
  3. Step 3: Cross multiply
    419,911.26x = 579,395.43 × 247,883.10
  4. Step 4: Simplify right side
    419,911.26x = 143,622,335,314.23
  5. Step 5: Solve for x
    x = 143,622,335,314.23/419,911.26
  6. Step 6: Final answer
    x = 342,030.21

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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.