Finding the Fourth Proportional to 775,604.54, 1,163,407.15 and 243,167.09
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Solution
The fourth proportional to 775,604.54, 1,163,407.15 and 243,167.09 is: 364,750.74
Step by Step Solution
- Step 1: Write the proportion equation
775,604.54 : 1,163,407.15 = 243,167.09 : x - Step 2: Convert to fraction form
775,604.54/1,163,407.15 = 243,167.09/x - Step 3: Cross multiply
775,604.54x = 1,163,407.15 × 243,167.09 - Step 4: Simplify right side
775,604.54x = 282,902,328,909.70 - Step 5: Solve for x
x = 282,902,328,909.70/775,604.54 - Step 6: Final answer
x = 364,750.74
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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.