Finding the Fourth Proportional to 963,668.88, 1,329,843.42 and 533,947.68
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Solution
The fourth proportional to 963,668.88, 1,329,843.42 and 533,947.68 is: 736,836.92
Step by Step Solution
- Step 1: Write the proportion equation
963,668.88 : 1,329,843.42 = 533,947.68 : x - Step 2: Convert to fraction form
963,668.88/1,329,843.42 = 533,947.68/x - Step 3: Cross multiply
963,668.88x = 1,329,843.42 × 533,947.68 - Step 4: Simplify right side
963,668.88x = 710,066,808,872.27 - Step 5: Solve for x
x = 710,066,808,872.27/963,668.88 - Step 6: Final answer
x = 736,836.92
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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.