Finding the Fourth Proportional to 963,634.68, 1,329,771.06 and 528,049.44
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Solution
The fourth proportional to 963,634.68, 1,329,771.06 and 528,049.44 is: 728,683.68
Step by Step Solution
- Step 1: Write the proportion equation
963,634.68 : 1,329,771.06 = 528,049.44 : x - Step 2: Convert to fraction form
963,634.68/1,329,771.06 = 528,049.44/x - Step 3: Cross multiply
963,634.68x = 1,329,771.06 × 528,049.44 - Step 4: Simplify right side
963,634.68x = 702,184,863,561.21 - Step 5: Solve for x
x = 702,184,863,561.21/963,634.68 - Step 6: Final answer
x = 728,683.68
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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.