Home / 897,408.20-1,346,846.70-890,409.80

Finding the Fourth Proportional to 897,408.20, 1,346,846.70 and 890,409.80

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Solution

The fourth proportional to 897,408.20, 1,346,846.70 and 890,409.80 is: 1,336,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,408.20 : 1,346,846.70 = 890,409.80 : x
  2. Step 2: Convert to fraction form
    897,408.20/1,346,846.70 = 890,409.80/x
  3. Step 3: Cross multiply
    897,408.20x = 1,346,846.70 × 890,409.80
  4. Step 4: Simplify right side
    897,408.20x = 1,199,245,500,777.66
  5. Step 5: Solve for x
    x = 1,199,245,500,777.66/897,408.20
  6. Step 6: Final answer
    x = 1,336,343.37

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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.