Home / 424,135.11-585,111.33-375,786.30

Finding the Fourth Proportional to 424,135.11, 585,111.33 and 375,786.30

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Solution

The fourth proportional to 424,135.11, 585,111.33 and 375,786.30 is: 518,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,135.11 : 585,111.33 = 375,786.30 : x
  2. Step 2: Convert to fraction form
    424,135.11/585,111.33 = 375,786.30/x
  3. Step 3: Cross multiply
    424,135.11x = 585,111.33 × 375,786.30
  4. Step 4: Simplify right side
    424,135.11x = 219,876,821,788.78
  5. Step 5: Solve for x
    x = 219,876,821,788.78/424,135.11
  6. Step 6: Final answer
    x = 518,412.21

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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.