Finding the Fourth Proportional to 621,984.63, 858,123.99 and 377,047.92
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Solution
The fourth proportional to 621,984.63, 858,123.99 and 377,047.92 is: 520,195.92
Step by Step Solution
- Step 1: Write the proportion equation
621,984.63 : 858,123.99 = 377,047.92 : x - Step 2: Convert to fraction form
621,984.63/858,123.99 = 377,047.92/x - Step 3: Cross multiply
621,984.63x = 858,123.99 × 377,047.92 - Step 4: Simplify right side
621,984.63x = 323,553,865,531.60 - Step 5: Solve for x
x = 323,553,865,531.60/621,984.63 - Step 6: Final answer
x = 520,195.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.