Finding the Fourth Proportional to 657,057.22, 906,737.70 and 370,576.42
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Solution
The fourth proportional to 657,057.22, 906,737.70 and 370,576.42 is: 511,394.75
Step by Step Solution
- Step 1: Write the proportion equation
657,057.22 : 906,737.70 = 370,576.42 : x - Step 2: Convert to fraction form
657,057.22/906,737.70 = 370,576.42/x - Step 3: Cross multiply
657,057.22x = 906,737.70 × 370,576.42 - Step 4: Simplify right side
657,057.22x = 336,015,610,745.03 - Step 5: Solve for x
x = 336,015,610,745.03/657,057.22 - Step 6: Final answer
x = 511,394.75
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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.