Home / 859,934.60-1,289,901.90-228,912.20

Finding the Fourth Proportional to 859,934.60, 1,289,901.90 and 228,912.20

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Solution

The fourth proportional to 859,934.60, 1,289,901.90 and 228,912.20 is: 343,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,934.60 : 1,289,901.90 = 228,912.20 : x
  2. Step 2: Convert to fraction form
    859,934.60/1,289,901.90 = 228,912.20/x
  3. Step 3: Cross multiply
    859,934.60x = 1,289,901.90 × 228,912.20
  4. Step 4: Simplify right side
    859,934.60x = 295,274,281,713.18
  5. Step 5: Solve for x
    x = 295,274,281,713.18/859,934.60
  6. Step 6: Final answer
    x = 343,368.30

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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.