Finding the Fourth Proportional to 434,415.80, 651,623.70 and 395,924.60
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Solution
The fourth proportional to 434,415.80, 651,623.70 and 395,924.60 is: 593,886.90
Step by Step Solution
- Step 1: Write the proportion equation
434,415.80 : 651,623.70 = 395,924.60 : x - Step 2: Convert to fraction form
434,415.80/651,623.70 = 395,924.60/x - Step 3: Cross multiply
434,415.80x = 651,623.70 × 395,924.60 - Step 4: Simplify right side
434,415.80x = 257,993,852,773.02 - Step 5: Solve for x
x = 257,993,852,773.02/434,415.80 - Step 6: Final answer
x = 593,886.90
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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.