Home / 842,669.12-1,263,815.34-243,496.73

Finding the Fourth Proportional to 842,669.12, 1,263,815.34 and 243,496.73

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Solution

The fourth proportional to 842,669.12, 1,263,815.34 and 243,496.73 is: 365,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,669.12 : 1,263,815.34 = 243,496.73 : x
  2. Step 2: Convert to fraction form
    842,669.12/1,263,815.34 = 243,496.73/x
  3. Step 3: Cross multiply
    842,669.12x = 1,263,815.34 × 243,496.73
  4. Step 4: Simplify right side
    842,669.12x = 307,734,896,294.76
  5. Step 5: Solve for x
    x = 307,734,896,294.76/842,669.12
  6. Step 6: Final answer
    x = 365,190.67

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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.