Home / 923,116.77-1,385,293.65-324,079.69

Finding the Fourth Proportional to 923,116.77, 1,385,293.65 and 324,079.69

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Solution

The fourth proportional to 923,116.77, 1,385,293.65 and 324,079.69 is: 486,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,116.77 : 1,385,293.65 = 324,079.69 : x
  2. Step 2: Convert to fraction form
    923,116.77/1,385,293.65 = 324,079.69/x
  3. Step 3: Cross multiply
    923,116.77x = 1,385,293.65 × 324,079.69
  4. Step 4: Simplify right side
    923,116.77x = 448,945,536,650.97
  5. Step 5: Solve for x
    x = 448,945,536,650.97/923,116.77
  6. Step 6: Final answer
    x = 486,336.67

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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.