Home / 341,738.40-512,607.60-324,631.20

Finding the Fourth Proportional to 341,738.40, 512,607.60 and 324,631.20

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Solution

The fourth proportional to 341,738.40, 512,607.60 and 324,631.20 is: 486,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,738.40 : 512,607.60 = 324,631.20 : x
  2. Step 2: Convert to fraction form
    341,738.40/512,607.60 = 324,631.20/x
  3. Step 3: Cross multiply
    341,738.40x = 512,607.60 × 324,631.20
  4. Step 4: Simplify right side
    341,738.40x = 166,408,420,317.12
  5. Step 5: Solve for x
    x = 166,408,420,317.12/341,738.40
  6. Step 6: Final answer
    x = 486,946.80

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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.