Finding the Fourth Proportional to 899,562.19, 1,349,716.25 and 393,862.15
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Solution
The fourth proportional to 899,562.19, 1,349,716.25 and 393,862.15 is: 590,956.52
Step by Step Solution
- Step 1: Write the proportion equation
899,562.19 : 1,349,716.25 = 393,862.15 : x - Step 2: Convert to fraction form
899,562.19/1,349,716.25 = 393,862.15/x - Step 3: Cross multiply
899,562.19x = 1,349,716.25 × 393,862.15 - Step 4: Simplify right side
899,562.19x = 531,602,144,114.94 - Step 5: Solve for x
x = 531,602,144,114.94/899,562.19 - Step 6: Final answer
x = 590,956.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.