Home / 850,586.86-1,276,063.35-424,351.90

Finding the Fourth Proportional to 850,586.86, 1,276,063.35 and 424,351.90

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Solution

The fourth proportional to 850,586.86, 1,276,063.35 and 424,351.90 is: 636,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,586.86 : 1,276,063.35 = 424,351.90 : x
  2. Step 2: Convert to fraction form
    850,586.86/1,276,063.35 = 424,351.90/x
  3. Step 3: Cross multiply
    850,586.86x = 1,276,063.35 × 424,351.90
  4. Step 4: Simplify right side
    850,586.86x = 541,499,907,092.87
  5. Step 5: Solve for x
    x = 541,499,907,092.87/850,586.86
  6. Step 6: Final answer
    x = 636,619.18

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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.