Finding the Fourth Proportional to 655,278.46, 904,313.40 and 368,817.10
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Solution
The fourth proportional to 655,278.46, 904,313.40 and 368,817.10 is: 508,983.99
Step by Step Solution
- Step 1: Write the proportion equation
655,278.46 : 904,313.40 = 368,817.10 : x - Step 2: Convert to fraction form
655,278.46/904,313.40 = 368,817.10/x - Step 3: Cross multiply
655,278.46x = 904,313.40 × 368,817.10 - Step 4: Simplify right side
655,278.46x = 333,526,245,679.14 - Step 5: Solve for x
x = 333,526,245,679.14/655,278.46 - Step 6: Final answer
x = 508,983.99
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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.