Home / 804,443.20-1,207,102.20-331,176.40

Finding the Fourth Proportional to 804,443.20, 1,207,102.20 and 331,176.40

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Solution

The fourth proportional to 804,443.20, 1,207,102.20 and 331,176.40 is: 496,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,443.20 : 1,207,102.20 = 331,176.40 : x
  2. Step 2: Convert to fraction form
    804,443.20/1,207,102.20 = 331,176.40/x
  3. Step 3: Cross multiply
    804,443.20x = 1,207,102.20 × 331,176.40
  4. Step 4: Simplify right side
    804,443.20x = 399,763,761,028.08
  5. Step 5: Solve for x
    x = 399,763,761,028.08/804,443.20
  6. Step 6: Final answer
    x = 496,944.67

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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.