Finding the Fourth Proportional to 902,715.84, 1,245,306.96 and 759,423.60
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Solution
The fourth proportional to 902,715.84, 1,245,306.96 and 759,423.60 is: 1,047,633.65
Step by Step Solution
- Step 1: Write the proportion equation
902,715.84 : 1,245,306.96 = 759,423.60 : x - Step 2: Convert to fraction form
902,715.84/1,245,306.96 = 759,423.60/x - Step 3: Cross multiply
902,715.84x = 1,245,306.96 × 759,423.60 - Step 4: Simplify right side
902,715.84x = 945,715,494,668.26 - Step 5: Solve for x
x = 945,715,494,668.26/902,715.84 - Step 6: Final answer
x = 1,047,633.65
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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.