Finding the Fourth Proportional to 655,093.76, 904,018.80 and 368,613.68
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Solution
The fourth proportional to 655,093.76, 904,018.80 and 368,613.68 is: 508,680.92
Step by Step Solution
- Step 1: Write the proportion equation
655,093.76 : 904,018.80 = 368,613.68 : x - Step 2: Convert to fraction form
655,093.76/904,018.80 = 368,613.68/x - Step 3: Cross multiply
655,093.76x = 904,018.80 × 368,613.68 - Step 4: Simplify right side
655,093.76x = 333,233,696,657.18 - Step 5: Solve for x
x = 333,233,696,657.18/655,093.76 - Step 6: Final answer
x = 508,680.92
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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.