Finding the Fourth Proportional to 402,453.99, 603,699.30 and 284,651.19
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Solution
The fourth proportional to 402,453.99, 603,699.30 and 284,651.19 is: 426,989.74
Step by Step Solution
- Step 1: Write the proportion equation
402,453.99 : 603,699.30 = 284,651.19 : x - Step 2: Convert to fraction form
402,453.99/603,699.30 = 284,651.19/x - Step 3: Cross multiply
402,453.99x = 603,699.30 × 284,651.19 - Step 4: Simplify right side
402,453.99x = 171,843,724,147.17 - Step 5: Solve for x
x = 171,843,724,147.17/402,453.99 - Step 6: Final answer
x = 426,989.74
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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.