Finding the Fourth Proportional to 939,715.96, 1,409,561.34 and 229,750.12
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Solution
The fourth proportional to 939,715.96, 1,409,561.34 and 229,750.12 is: 344,622.10
Step by Step Solution
- Step 1: Write the proportion equation
939,715.96 : 1,409,561.34 = 229,750.12 : x - Step 2: Convert to fraction form
939,715.96/1,409,561.34 = 229,750.12/x - Step 3: Cross multiply
939,715.96x = 1,409,561.34 × 229,750.12 - Step 4: Simplify right side
939,715.96x = 323,846,887,012.36 - Step 5: Solve for x
x = 323,846,887,012.36/939,715.96 - Step 6: Final answer
x = 344,622.10
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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.