Home / 767,249.28-1,058,906.64-440,690.88

Finding the Fourth Proportional to 767,249.28, 1,058,906.64 and 440,690.88

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Solution

The fourth proportional to 767,249.28, 1,058,906.64 and 440,690.88 is: 608,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,249.28 : 1,058,906.64 = 440,690.88 : x
  2. Step 2: Convert to fraction form
    767,249.28/1,058,906.64 = 440,690.88/x
  3. Step 3: Cross multiply
    767,249.28x = 1,058,906.64 × 440,690.88
  4. Step 4: Simplify right side
    767,249.28x = 466,650,499,019.44
  5. Step 5: Solve for x
    x = 466,650,499,019.44/767,249.28
  6. Step 6: Final answer
    x = 608,212.36

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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.