Home / 476,111.07-657,024.30-261,249.26

Finding the Fourth Proportional to 476,111.07, 657,024.30 and 261,249.26

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Solution

The fourth proportional to 476,111.07, 657,024.30 and 261,249.26 is: 360,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,111.07 : 657,024.30 = 261,249.26 : x
  2. Step 2: Convert to fraction form
    476,111.07/657,024.30 = 261,249.26/x
  3. Step 3: Cross multiply
    476,111.07x = 657,024.30 × 261,249.26
  4. Step 4: Simplify right side
    476,111.07x = 171,647,108,891.90
  5. Step 5: Solve for x
    x = 171,647,108,891.90/476,111.07
  6. Step 6: Final answer
    x = 360,519.05

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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.