Finding the Fourth Proportional to 864,755.14, 1,193,363.13 and 482,781.70
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Solution
The fourth proportional to 864,755.14, 1,193,363.13 and 482,781.70 is: 666,239.32
Step by Step Solution
- Step 1: Write the proportion equation
864,755.14 : 1,193,363.13 = 482,781.70 : x - Step 2: Convert to fraction form
864,755.14/1,193,363.13 = 482,781.70/x - Step 3: Cross multiply
864,755.14x = 1,193,363.13 × 482,781.70 - Step 4: Simplify right side
864,755.14x = 576,133,880,618.72 - Step 5: Solve for x
x = 576,133,880,618.72/864,755.14 - Step 6: Final answer
x = 666,239.32
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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.