Finding the Fourth Proportional to 963,452.40, 1,329,324.12 and 555,678.96
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Solution
The fourth proportional to 963,452.40, 1,329,324.12 and 555,678.96 is: 766,698.43
Step by Step Solution
- Step 1: Write the proportion equation
963,452.40 : 1,329,324.12 = 555,678.96 : x - Step 2: Convert to fraction form
963,452.40/1,329,324.12 = 555,678.96/x - Step 3: Cross multiply
963,452.40x = 1,329,324.12 × 555,678.96 - Step 4: Simplify right side
963,452.40x = 738,677,444,504.52 - Step 5: Solve for x
x = 738,677,444,504.52/963,452.40 - Step 6: Final answer
x = 766,698.43
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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.