Home / 706,408.20-1,059,612.30-307,240.20

Finding the Fourth Proportional to 706,408.20, 1,059,612.30 and 307,240.20

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Solution

The fourth proportional to 706,408.20, 1,059,612.30 and 307,240.20 is: 460,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,408.20 : 1,059,612.30 = 307,240.20 : x
  2. Step 2: Convert to fraction form
    706,408.20/1,059,612.30 = 307,240.20/x
  3. Step 3: Cross multiply
    706,408.20x = 1,059,612.30 × 307,240.20
  4. Step 4: Simplify right side
    706,408.20x = 325,555,494,974.46
  5. Step 5: Solve for x
    x = 325,555,494,974.46/706,408.20
  6. Step 6: Final answer
    x = 460,860.30

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Similar ratio
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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.