Finding the Fourth Proportional to 738,330.88, 1,106,718.72 and 382,967.68
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Solution
The fourth proportional to 738,330.88, 1,106,718.72 and 382,967.68 is: 574,048.18
Step by Step Solution
- Step 1: Write the proportion equation
738,330.88 : 1,106,718.72 = 382,967.68 : x - Step 2: Convert to fraction form
738,330.88/1,106,718.72 = 382,967.68/x - Step 3: Cross multiply
738,330.88x = 1,106,718.72 × 382,967.68 - Step 4: Simplify right side
738,330.88x = 423,837,500,610.97 - Step 5: Solve for x
x = 423,837,500,610.97/738,330.88 - Step 6: Final answer
x = 574,048.18
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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.