Finding the Fourth Proportional to 867,816.05, 1,302,563.68 and 418,852.97
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Solution
The fourth proportional to 867,816.05, 1,302,563.68 and 418,852.97 is: 628,684.70
Step by Step Solution
- Step 1: Write the proportion equation
867,816.05 : 1,302,563.68 = 418,852.97 : x - Step 2: Convert to fraction form
867,816.05/1,302,563.68 = 418,852.97/x - Step 3: Cross multiply
867,816.05x = 1,302,563.68 × 418,852.97 - Step 4: Simplify right side
867,816.05x = 545,582,672,989.76 - Step 5: Solve for x
x = 545,582,672,989.76/867,816.05 - Step 6: Final answer
x = 628,684.70
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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.