Finding the Fourth Proportional to 919,652.90, 1,379,537.66 and 288,591.62
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Solution
The fourth proportional to 919,652.90, 1,379,537.66 and 288,591.62 is: 432,905.73
Step by Step Solution
- Step 1: Write the proportion equation
919,652.90 : 1,379,537.66 = 288,591.62 : x - Step 2: Convert to fraction form
919,652.90/1,379,537.66 = 288,591.62/x - Step 3: Cross multiply
919,652.90x = 1,379,537.66 × 288,591.62 - Step 4: Simplify right side
919,652.90x = 398,123,008,150.41 - Step 5: Solve for x
x = 398,123,008,150.41/919,652.90 - Step 6: Final answer
x = 432,905.73
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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.