Home / 860,318.03-1,289,722.50-327,484.64

Finding the Fourth Proportional to 860,318.03, 1,289,722.50 and 327,484.64

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Solution

The fourth proportional to 860,318.03, 1,289,722.50 and 327,484.64 is: 490,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,318.03 : 1,289,722.50 = 327,484.64 : x
  2. Step 2: Convert to fraction form
    860,318.03/1,289,722.50 = 327,484.64/x
  3. Step 3: Cross multiply
    860,318.03x = 1,289,722.50 × 327,484.64
  4. Step 4: Simplify right side
    860,318.03x = 422,364,302,163.79
  5. Step 5: Solve for x
    x = 422,364,302,163.79/860,318.03
  6. Step 6: Final answer
    x = 490,939.73

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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.