Finding the Fourth Proportional to 718,176.79, 1,076,933.98 and 212,556.97
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Solution
The fourth proportional to 718,176.79, 1,076,933.98 and 212,556.97 is: 318,737.43
Step by Step Solution
- Step 1: Write the proportion equation
718,176.79 : 1,076,933.98 = 212,556.97 : x - Step 2: Convert to fraction form
718,176.79/1,076,933.98 = 212,556.97/x - Step 3: Cross multiply
718,176.79x = 1,076,933.98 × 212,556.97 - Step 4: Simplify right side
718,176.79x = 228,909,823,678.84 - Step 5: Solve for x
x = 228,909,823,678.84/718,176.79 - Step 6: Final answer
x = 318,737.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.