Home / 935,625.72-1,291,164.22-505,906.14

Finding the Fourth Proportional to 935,625.72, 1,291,164.22 and 505,906.14

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Solution

The fourth proportional to 935,625.72, 1,291,164.22 and 505,906.14 is: 698,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,625.72 : 1,291,164.22 = 505,906.14 : x
  2. Step 2: Convert to fraction form
    935,625.72/1,291,164.22 = 505,906.14/x
  3. Step 3: Cross multiply
    935,625.72x = 1,291,164.22 × 505,906.14
  4. Step 4: Simplify right side
    935,625.72x = 653,207,906,646.31
  5. Step 5: Solve for x
    x = 653,207,906,646.31/935,625.72
  6. Step 6: Final answer
    x = 698,150.87

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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.