Finding the Fourth Proportional to 655,560.23, 904,672.87 and 383,679.88
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Solution
The fourth proportional to 655,560.23, 904,672.87 and 383,679.88 is: 529,478.09
Step by Step Solution
- Step 1: Write the proportion equation
655,560.23 : 904,672.87 = 383,679.88 : x - Step 2: Convert to fraction form
655,560.23/904,672.87 = 383,679.88/x - Step 3: Cross multiply
655,560.23x = 904,672.87 × 383,679.88 - Step 4: Simplify right side
655,560.23x = 347,104,774,979.97 - Step 5: Solve for x
x = 347,104,774,979.97/655,560.23 - Step 6: Final answer
x = 529,478.09
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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.