Home / 851,328.26-1,276,955.48-211,618.46

Finding the Fourth Proportional to 851,328.26, 1,276,955.48 and 211,618.46

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Solution

The fourth proportional to 851,328.26, 1,276,955.48 and 211,618.46 is: 317,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,328.26 : 1,276,955.48 = 211,618.46 : x
  2. Step 2: Convert to fraction form
    851,328.26/1,276,955.48 = 211,618.46/x
  3. Step 3: Cross multiply
    851,328.26x = 1,276,955.48 × 211,618.46
  4. Step 4: Simplify right side
    851,328.26x = 270,227,352,166.16
  5. Step 5: Solve for x
    x = 270,227,352,166.16/851,328.26
  6. Step 6: Final answer
    x = 317,418.52

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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.