Finding the Fourth Proportional to 657,623.70, 987,472.35 and 377,687.70
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Solution
The fourth proportional to 657,623.70, 987,472.35 and 377,687.70 is: 567,127.01
Step by Step Solution
- Step 1: Write the proportion equation
657,623.70 : 987,472.35 = 377,687.70 : x - Step 2: Convert to fraction form
657,623.70/987,472.35 = 377,687.70/x - Step 3: Cross multiply
657,623.70x = 987,472.35 × 377,687.70 - Step 4: Simplify right side
657,623.70x = 372,956,160,685.10 - Step 5: Solve for x
x = 372,956,160,685.10/657,623.70 - Step 6: Final answer
x = 567,127.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.