Home / 859,916.87-1,289,904.43-228,831.29

Finding the Fourth Proportional to 859,916.87, 1,289,904.43 and 228,831.29

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Solution

The fourth proportional to 859,916.87, 1,289,904.43 and 228,831.29 is: 343,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,916.87 : 1,289,904.43 = 228,831.29 : x
  2. Step 2: Convert to fraction form
    859,916.87/1,289,904.43 = 228,831.29/x
  3. Step 3: Cross multiply
    859,916.87x = 1,289,904.43 × 228,831.29
  4. Step 4: Simplify right side
    859,916.87x = 295,170,494,693.62
  5. Step 5: Solve for x
    x = 295,170,494,693.62/859,916.87
  6. Step 6: Final answer
    x = 343,254.69

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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.