Finding the Fourth Proportional to 763,951.35, 1,145,965.91 and 284,072.79
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Solution
The fourth proportional to 763,951.35, 1,145,965.91 and 284,072.79 is: 426,123.64
Step by Step Solution
- Step 1: Write the proportion equation
763,951.35 : 1,145,965.91 = 284,072.79 : x - Step 2: Convert to fraction form
763,951.35/1,145,965.91 = 284,072.79/x - Step 3: Cross multiply
763,951.35x = 1,145,965.91 × 284,072.79 - Step 4: Simplify right side
763,951.35x = 325,537,731,878.23 - Step 5: Solve for x
x = 325,537,731,878.23/763,951.35 - Step 6: Final answer
x = 426,123.64
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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.