Finding the Fourth Proportional to 612,216.45, 844,822.53 and 340,274.99
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Solution
The fourth proportional to 612,216.45, 844,822.53 and 340,274.99 is: 469,559.39
Step by Step Solution
- Step 1: Write the proportion equation
612,216.45 : 844,822.53 = 340,274.99 : x - Step 2: Convert to fraction form
612,216.45/844,822.53 = 340,274.99/x - Step 3: Cross multiply
612,216.45x = 844,822.53 × 340,274.99 - Step 4: Simplify right side
612,216.45x = 287,471,980,059.58 - Step 5: Solve for x
x = 287,471,980,059.58/612,216.45 - Step 6: Final answer
x = 469,559.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.