Home / 859,068.41-1,288,597.94-210,636.58

Finding the Fourth Proportional to 859,068.41, 1,288,597.94 and 210,636.58

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Solution

The fourth proportional to 859,068.41, 1,288,597.94 and 210,636.58 is: 315,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,068.41 : 1,288,597.94 = 210,636.58 : x
  2. Step 2: Convert to fraction form
    859,068.41/1,288,597.94 = 210,636.58/x
  3. Step 3: Cross multiply
    859,068.41x = 1,288,597.94 × 210,636.58
  4. Step 4: Simplify right side
    859,068.41x = 271,425,858,976.21
  5. Step 5: Solve for x
    x = 271,425,858,976.21/859,068.41
  6. Step 6: Final answer
    x = 315,953.72

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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.