Finding the Fourth Proportional to 990,211.08, 1,482,758.57 and 683,409.75
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Solution
The fourth proportional to 990,211.08, 1,482,758.57 and 683,409.75 is: 1,023,349.15
Step by Step Solution
- Step 1: Write the proportion equation
990,211.08 : 1,482,758.57 = 683,409.75 : x - Step 2: Convert to fraction form
990,211.08/1,482,758.57 = 683,409.75/x - Step 3: Cross multiply
990,211.08x = 1,482,758.57 × 683,409.75 - Step 4: Simplify right side
990,211.08x = 1,013,331,668,448.83 - Step 5: Solve for x
x = 1,013,331,668,448.83/990,211.08 - Step 6: Final answer
x = 1,023,349.15
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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.