Home / 679,599.40-1,019,982.30-301,102.60

Finding the Fourth Proportional to 679,599.40, 1,019,982.30 and 301,102.60

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Solution

The fourth proportional to 679,599.40, 1,019,982.30 and 301,102.60 is: 451,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,599.40 : 1,019,982.30 = 301,102.60 : x
  2. Step 2: Convert to fraction form
    679,599.40/1,019,982.30 = 301,102.60/x
  3. Step 3: Cross multiply
    679,599.40x = 1,019,982.30 × 301,102.60
  4. Step 4: Simplify right side
    679,599.40x = 307,119,322,483.98
  5. Step 5: Solve for x
    x = 307,119,322,483.98/679,599.40
  6. Step 6: Final answer
    x = 451,912.29

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1.5x scale

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.