Finding the Fourth Proportional to 553,910.67, 764,397.27 and 299,262.42
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Solution
The fourth proportional to 553,910.67, 764,397.27 and 299,262.42 is: 412,982.43
Step by Step Solution
- Step 1: Write the proportion equation
553,910.67 : 764,397.27 = 299,262.42 : x - Step 2: Convert to fraction form
553,910.67/764,397.27 = 299,262.42/x - Step 3: Cross multiply
553,910.67x = 764,397.27 × 299,262.42 - Step 4: Simplify right side
553,910.67x = 228,755,376,861.59 - Step 5: Solve for x
x = 228,755,376,861.59/553,910.67 - Step 6: Final answer
x = 412,982.43
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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.