Finding the Fourth Proportional to 776,933.10, 1,166,489.94 and 398,125.98
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Solution
The fourth proportional to 776,933.10, 1,166,489.94 and 398,125.98 is: 597,747.67
Step by Step Solution
- Step 1: Write the proportion equation
776,933.10 : 1,166,489.94 = 398,125.98 : x - Step 2: Convert to fraction form
776,933.10/1,166,489.94 = 398,125.98/x - Step 3: Cross multiply
776,933.10x = 1,166,489.94 × 398,125.98 - Step 4: Simplify right side
776,933.10x = 464,409,950,522.64 - Step 5: Solve for x
x = 464,409,950,522.64/776,933.10 - Step 6: Final answer
x = 597,747.67
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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.