Finding the Fourth Proportional to 905,428.19, 1,358,142.54 and 336,734.99
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Solution
The fourth proportional to 905,428.19, 1,358,142.54 and 336,734.99 is: 505,102.58
Step by Step Solution
- Step 1: Write the proportion equation
905,428.19 : 1,358,142.54 = 336,734.99 : x - Step 2: Convert to fraction form
905,428.19/1,358,142.54 = 336,734.99/x - Step 3: Cross multiply
905,428.19x = 1,358,142.54 × 336,734.99 - Step 4: Simplify right side
905,428.19x = 457,334,113,559.18 - Step 5: Solve for x
x = 457,334,113,559.18/905,428.19 - Step 6: Final answer
x = 505,102.58
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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.