Finding the Fourth Proportional to 626,539.36, 864,625.17 and 340,059.49
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Solution
The fourth proportional to 626,539.36, 864,625.17 and 340,059.49 is: 469,282.56
Step by Step Solution
- Step 1: Write the proportion equation
626,539.36 : 864,625.17 = 340,059.49 : x - Step 2: Convert to fraction form
626,539.36/864,625.17 = 340,059.49/x - Step 3: Cross multiply
626,539.36x = 864,625.17 × 340,059.49 - Step 4: Simplify right side
626,539.36x = 294,023,994,351.36 - Step 5: Solve for x
x = 294,023,994,351.36/626,539.36 - Step 6: Final answer
x = 469,282.56
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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.