Finding the Fourth Proportional to 771,121.18, 1,156,495.47 and 297,504.46
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Solution
The fourth proportional to 771,121.18, 1,156,495.47 and 297,504.46 is: 446,184.81
Step by Step Solution
- Step 1: Write the proportion equation
771,121.18 : 1,156,495.47 = 297,504.46 : x - Step 2: Convert to fraction form
771,121.18/1,156,495.47 = 297,504.46/x - Step 3: Cross multiply
771,121.18x = 1,156,495.47 × 297,504.46 - Step 4: Simplify right side
771,121.18x = 344,062,560,294.80 - Step 5: Solve for x
x = 344,062,560,294.80/771,121.18 - Step 6: Final answer
x = 446,184.81
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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.