Finding the Fourth Proportional to 664,902.21, 997,439.63 and 304,986.27
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Solution
The fourth proportional to 664,902.21, 997,439.63 and 304,986.27 is: 457,518.99
Step by Step Solution
- Step 1: Write the proportion equation
664,902.21 : 997,439.63 = 304,986.27 : x - Step 2: Convert to fraction form
664,902.21/997,439.63 = 304,986.27/x - Step 3: Cross multiply
664,902.21x = 997,439.63 × 304,986.27 - Step 4: Simplify right side
664,902.21x = 304,205,390,778.95 - Step 5: Solve for x
x = 304,205,390,778.95/664,902.21 - Step 6: Final answer
x = 457,518.99
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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.