Finding the Fourth Proportional to 641,687.85, 963,477.99 and 357,932.79
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Solution
The fourth proportional to 641,687.85, 963,477.99 and 357,932.79 is: 537,426.98
Step by Step Solution
- Step 1: Write the proportion equation
641,687.85 : 963,477.99 = 357,932.79 : x - Step 2: Convert to fraction form
641,687.85/963,477.99 = 357,932.79/x - Step 3: Cross multiply
641,687.85x = 963,477.99 × 357,932.79 - Step 4: Simplify right side
641,687.85x = 344,860,365,064.29 - Step 5: Solve for x
x = 344,860,365,064.29/641,687.85 - Step 6: Final answer
x = 537,426.98
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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.