Finding the Fourth Proportional to 1,330,302.17, 1,835,816.50 and 718,455.07
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Solution
The fourth proportional to 1,330,302.17, 1,835,816.50 and 718,455.07 is: 991,467.73
Step by Step Solution
- Step 1: Write the proportion equation
1,330,302.17 : 1,835,816.50 = 718,455.07 : x - Step 2: Convert to fraction form
1,330,302.17/1,835,816.50 = 718,455.07/x - Step 3: Cross multiply
1,330,302.17x = 1,835,816.50 × 718,455.07 - Step 4: Simplify right side
1,330,302.17x = 1,318,951,672,014.65 - Step 5: Solve for x
x = 1,318,951,672,014.65/1,330,302.17 - Step 6: Final answer
x = 991,467.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.