Home / 706,067.16-1,058,479.86-279,902.35

Finding the Fourth Proportional to 706,067.16, 1,058,479.86 and 279,902.35

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Solution

The fourth proportional to 706,067.16, 1,058,479.86 and 279,902.35 is: 419,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,067.16 : 1,058,479.86 = 279,902.35 : x
  2. Step 2: Convert to fraction form
    706,067.16/1,058,479.86 = 279,902.35/x
  3. Step 3: Cross multiply
    706,067.16x = 1,058,479.86 × 279,902.35
  4. Step 4: Simplify right side
    706,067.16x = 296,271,000,241.67
  5. Step 5: Solve for x
    x = 296,271,000,241.67/706,067.16
  6. Step 6: Final answer
    x = 419,607.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.