Finding the Fourth Proportional to 877,944.87, 1,315,900.74 and 403,634.79
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Solution
The fourth proportional to 877,944.87, 1,315,900.74 and 403,634.79 is: 604,984.82
Step by Step Solution
- Step 1: Write the proportion equation
877,944.87 : 1,315,900.74 = 403,634.79 : x - Step 2: Convert to fraction form
877,944.87/1,315,900.74 = 403,634.79/x - Step 3: Cross multiply
877,944.87x = 1,315,900.74 × 403,634.79 - Step 4: Simplify right side
877,944.87x = 531,143,318,850.75 - Step 5: Solve for x
x = 531,143,318,850.75/877,944.87 - Step 6: Final answer
x = 604,984.82
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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.