Home / 859,056.76-1,288,485.06-228,019.60

Finding the Fourth Proportional to 859,056.76, 1,288,485.06 and 228,019.60

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Solution

The fourth proportional to 859,056.76, 1,288,485.06 and 228,019.60 is: 342,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,056.76 : 1,288,485.06 = 228,019.60 : x
  2. Step 2: Convert to fraction form
    859,056.76/1,288,485.06 = 228,019.60/x
  3. Step 3: Cross multiply
    859,056.76x = 1,288,485.06 × 228,019.60
  4. Step 4: Simplify right side
    859,056.76x = 293,799,847,987.18
  5. Step 5: Solve for x
    x = 293,799,847,987.18/859,056.76
  6. Step 6: Final answer
    x = 342,002.84

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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.