Home / 850,515.96-1,276,564.50-430,093.56

Finding the Fourth Proportional to 850,515.96, 1,276,564.50 and 430,093.56

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Solution

The fourth proportional to 850,515.96, 1,276,564.50 and 430,093.56 is: 645,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,515.96 : 1,276,564.50 = 430,093.56 : x
  2. Step 2: Convert to fraction form
    850,515.96/1,276,564.50 = 430,093.56/x
  3. Step 3: Cross multiply
    850,515.96x = 1,276,564.50 × 430,093.56
  4. Step 4: Simplify right side
    850,515.96x = 549,042,170,374.62
  5. Step 5: Solve for x
    x = 549,042,170,374.62/850,515.96
  6. Step 6: Final answer
    x = 645,540.11

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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.