Home / 348,922.40-523,383.60-313,930.40

Finding the Fourth Proportional to 348,922.40, 523,383.60 and 313,930.40

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Solution

The fourth proportional to 348,922.40, 523,383.60 and 313,930.40 is: 470,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,922.40 : 523,383.60 = 313,930.40 : x
  2. Step 2: Convert to fraction form
    348,922.40/523,383.60 = 313,930.40/x
  3. Step 3: Cross multiply
    348,922.40x = 523,383.60 × 313,930.40
  4. Step 4: Simplify right side
    348,922.40x = 164,306,022,901.44
  5. Step 5: Solve for x
    x = 164,306,022,901.44/348,922.40
  6. Step 6: Final answer
    x = 470,895.60

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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.