Finding the Fourth Proportional to 531,618.81, 733,651.68 and 289,914.63
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Solution
The fourth proportional to 531,618.81, 733,651.68 and 289,914.63 is: 400,091.85
Step by Step Solution
- Step 1: Write the proportion equation
531,618.81 : 733,651.68 = 289,914.63 : x - Step 2: Convert to fraction form
531,618.81/733,651.68 = 289,914.63/x - Step 3: Cross multiply
531,618.81x = 733,651.68 × 289,914.63 - Step 4: Simplify right side
531,618.81x = 212,696,355,356.08 - Step 5: Solve for x
x = 212,696,355,356.08/531,618.81 - Step 6: Final answer
x = 400,091.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.