Home / 859,916.85-1,289,904.41-228,831.27

Finding the Fourth Proportional to 859,916.85, 1,289,904.41 and 228,831.27

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Solution

The fourth proportional to 859,916.85, 1,289,904.41 and 228,831.27 is: 343,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,916.85 : 1,289,904.41 = 228,831.27 : x
  2. Step 2: Convert to fraction form
    859,916.85/1,289,904.41 = 228,831.27/x
  3. Step 3: Cross multiply
    859,916.85x = 1,289,904.41 × 228,831.27
  4. Step 4: Simplify right side
    859,916.85x = 295,170,464,318.90
  5. Step 5: Solve for x
    x = 295,170,464,318.90/859,916.85
  6. Step 6: Final answer
    x = 343,254.66

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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.