Home / 755,310.36-1,042,351.77-411,169.20

Finding the Fourth Proportional to 755,310.36, 1,042,351.77 and 411,169.20

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Solution

The fourth proportional to 755,310.36, 1,042,351.77 and 411,169.20 is: 567,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,310.36 : 1,042,351.77 = 411,169.20 : x
  2. Step 2: Convert to fraction form
    755,310.36/1,042,351.77 = 411,169.20/x
  3. Step 3: Cross multiply
    755,310.36x = 1,042,351.77 × 411,169.20
  4. Step 4: Simplify right side
    755,310.36x = 428,582,943,389.48
  5. Step 5: Solve for x
    x = 428,582,943,389.48/755,310.36
  6. Step 6: Final answer
    x = 567,426.27

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1.5x scale

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.