Home / 413,625.15-571,020.39-278,370.14

Finding the Fourth Proportional to 413,625.15, 571,020.39 and 278,370.14

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Solution

The fourth proportional to 413,625.15, 571,020.39 and 278,370.14 is: 384,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,625.15 : 571,020.39 = 278,370.14 : x
  2. Step 2: Convert to fraction form
    413,625.15/571,020.39 = 278,370.14/x
  3. Step 3: Cross multiply
    413,625.15x = 571,020.39 × 278,370.14
  4. Step 4: Simplify right side
    413,625.15x = 158,955,023,052.05
  5. Step 5: Solve for x
    x = 158,955,023,052.05/413,625.15
  6. Step 6: Final answer
    x = 384,297.29

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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.