Finding the Fourth Proportional to 732,653.19, 1,099,689.17 and 353,840.18
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Solution
The fourth proportional to 732,653.19, 1,099,689.17 and 353,840.18 is: 531,102.86
Step by Step Solution
- Step 1: Write the proportion equation
732,653.19 : 1,099,689.17 = 353,840.18 : x - Step 2: Convert to fraction form
732,653.19/1,099,689.17 = 353,840.18/x - Step 3: Cross multiply
732,653.19x = 1,099,689.17 × 353,840.18 - Step 4: Simplify right side
732,653.19x = 389,114,206,589.20 - Step 5: Solve for x
x = 389,114,206,589.20/732,653.19 - Step 6: Final answer
x = 531,102.86
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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.