Finding the Fourth Proportional to 755,376.63, 1,132,953.07 and 275,491.88
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Solution
The fourth proportional to 755,376.63, 1,132,953.07 and 275,491.88 is: 413,197.02
Step by Step Solution
- Step 1: Write the proportion equation
755,376.63 : 1,132,953.07 = 275,491.88 : x - Step 2: Convert to fraction form
755,376.63/1,132,953.07 = 275,491.88/x - Step 3: Cross multiply
755,376.63x = 1,132,953.07 × 275,491.88 - Step 4: Simplify right side
755,376.63x = 312,119,371,206.07 - Step 5: Solve for x
x = 312,119,371,206.07/755,376.63 - Step 6: Final answer
x = 413,197.02
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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.