Home / 790,858.62-1,186,042.50-285,353.96

Finding the Fourth Proportional to 790,858.62, 1,186,042.50 and 285,353.96

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Solution

The fourth proportional to 790,858.62, 1,186,042.50 and 285,353.96 is: 427,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,858.62 : 1,186,042.50 = 285,353.96 : x
  2. Step 2: Convert to fraction form
    790,858.62/1,186,042.50 = 285,353.96/x
  3. Step 3: Cross multiply
    790,858.62x = 1,186,042.50 × 285,353.96
  4. Step 4: Simplify right side
    790,858.62x = 338,441,918,173.09
  5. Step 5: Solve for x
    x = 338,441,918,173.09/790,858.62
  6. Step 6: Final answer
    x = 427,942.38

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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.