Finding the Fourth Proportional to 879,274.68, 1,318,223 and 347,193.98
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Solution
The fourth proportional to 879,274.68, 1,318,223 and 347,193.98 is: 520,518.90
Step by Step Solution
- Step 1: Write the proportion equation
879,274.68 : 1,318,223 = 347,193.98 : x - Step 2: Convert to fraction form
879,274.68/1,318,223 = 347,193.98/x - Step 3: Cross multiply
879,274.68x = 1,318,223 × 347,193.98 - Step 4: Simplify right side
879,274.68x = 457,679,089,897.54 - Step 5: Solve for x
x = 457,679,089,897.54/879,274.68 - Step 6: Final answer
x = 520,518.90
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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.