Home / 859,517.16-1,289,156.70-228,482.28

Finding the Fourth Proportional to 859,517.16, 1,289,156.70 and 228,482.28

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Solution

The fourth proportional to 859,517.16, 1,289,156.70 and 228,482.28 is: 342,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,517.16 : 1,289,156.70 = 228,482.28 : x
  2. Step 2: Convert to fraction form
    859,517.16/1,289,156.70 = 228,482.28/x
  3. Step 3: Cross multiply
    859,517.16x = 1,289,156.70 × 228,482.28
  4. Step 4: Simplify right side
    859,517.16x = 294,549,462,093.28
  5. Step 5: Solve for x
    x = 294,549,462,093.28/859,517.16
  6. Step 6: Final answer
    x = 342,691.78

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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.