Finding the Fourth Proportional to 602,274.48, 831,133.12 and 330,336.80
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Solution
The fourth proportional to 602,274.48, 831,133.12 and 330,336.80 is: 455,861.68
Step by Step Solution
- Step 1: Write the proportion equation
602,274.48 : 831,133.12 = 330,336.80 : x - Step 2: Convert to fraction form
602,274.48/831,133.12 = 330,336.80/x - Step 3: Cross multiply
602,274.48x = 831,133.12 × 330,336.80 - Step 4: Simplify right side
602,274.48x = 274,553,855,234.82 - Step 5: Solve for x
x = 274,553,855,234.82/602,274.48 - Step 6: Final answer
x = 455,861.68
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1.5x scale
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.