Home / 706,028.60-1,058,786.64-386,416.58

Finding the Fourth Proportional to 706,028.60, 1,058,786.64 and 386,416.58

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Solution

The fourth proportional to 706,028.60, 1,058,786.64 and 386,416.58 is: 579,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,028.60 : 1,058,786.64 = 386,416.58 : x
  2. Step 2: Convert to fraction form
    706,028.60/1,058,786.64 = 386,416.58/x
  3. Step 3: Cross multiply
    706,028.60x = 1,058,786.64 × 386,416.58
  4. Step 4: Simplify right side
    706,028.60x = 409,132,707,084.56
  5. Step 5: Solve for x
    x = 409,132,707,084.56/706,028.60
  6. Step 6: Final answer
    x = 579,484.61

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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.