Home / 859,900.74-1,289,880.27-228,815.16

Finding the Fourth Proportional to 859,900.74, 1,289,880.27 and 228,815.16

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Solution

The fourth proportional to 859,900.74, 1,289,880.27 and 228,815.16 is: 343,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,900.74 : 1,289,880.27 = 228,815.16 : x
  2. Step 2: Convert to fraction form
    859,900.74/1,289,880.27 = 228,815.16/x
  3. Step 3: Cross multiply
    859,900.74x = 1,289,880.27 × 228,815.16
  4. Step 4: Simplify right side
    859,900.74x = 295,144,160,360.89
  5. Step 5: Solve for x
    x = 295,144,160,360.89/859,900.74
  6. Step 6: Final answer
    x = 343,230.50

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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.