Finding the Fourth Proportional to 885,770.10, 1,328,266.35 and 353,114.10
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Solution
The fourth proportional to 885,770.10, 1,328,266.35 and 353,114.10 is: 529,516.15
Step by Step Solution
- Step 1: Write the proportion equation
885,770.10 : 1,328,266.35 = 353,114.10 : x - Step 2: Convert to fraction form
885,770.10/1,328,266.35 = 353,114.10/x - Step 3: Cross multiply
885,770.10x = 1,328,266.35 × 353,114.10 - Step 4: Simplify right side
885,770.10x = 469,029,576,740.54 - Step 5: Solve for x
x = 469,029,576,740.54/885,770.10 - Step 6: Final answer
x = 529,516.15
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1.5x scale
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.