Finding the Fourth Proportional to 655,261.55, 904,539.86 and 440,526.09
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Solution
The fourth proportional to 655,261.55, 904,539.86 and 440,526.09 is: 608,113.53
Step by Step Solution
- Step 1: Write the proportion equation
655,261.55 : 904,539.86 = 440,526.09 : x - Step 2: Convert to fraction form
655,261.55/904,539.86 = 440,526.09/x - Step 3: Cross multiply
655,261.55x = 904,539.86 × 440,526.09 - Step 4: Simplify right side
655,261.55x = 398,473,410,616.31 - Step 5: Solve for x
x = 398,473,410,616.31/655,261.55 - Step 6: Final answer
x = 608,113.53
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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.