Home / 628,757.03-867,550.15-374,058.47

Finding the Fourth Proportional to 628,757.03, 867,550.15 and 374,058.47

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Solution

The fourth proportional to 628,757.03, 867,550.15 and 374,058.47 is: 516,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,757.03 : 867,550.15 = 374,058.47 : x
  2. Step 2: Convert to fraction form
    628,757.03/867,550.15 = 374,058.47/x
  3. Step 3: Cross multiply
    628,757.03x = 867,550.15 × 374,058.47
  4. Step 4: Simplify right side
    628,757.03x = 324,514,481,757.27
  5. Step 5: Solve for x
    x = 324,514,481,757.27/628,757.03
  6. Step 6: Final answer
    x = 516,120.64

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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.