Finding the Fourth Proportional to 1,049,709.84, 1,574,814.60 and 339,737.88
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Solution
The fourth proportional to 1,049,709.84, 1,574,814.60 and 339,737.88 is: 509,687.68
Step by Step Solution
- Step 1: Write the proportion equation
1,049,709.84 : 1,574,814.60 = 339,737.88 : x - Step 2: Convert to fraction form
1,049,709.84/1,574,814.60 = 339,737.88/x - Step 3: Cross multiply
1,049,709.84x = 1,574,814.60 × 339,737.88 - Step 4: Simplify right side
1,049,709.84x = 535,024,173,597.05 - Step 5: Solve for x
x = 535,024,173,597.05/1,049,709.84 - Step 6: Final answer
x = 509,687.68
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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.