Finding the Fourth Proportional to 890,805.08, 1,336,396.56 and 291,721.96
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Solution
The fourth proportional to 890,805.08, 1,336,396.56 and 291,721.96 is: 437,644.81
Step by Step Solution
- Step 1: Write the proportion equation
890,805.08 : 1,336,396.56 = 291,721.96 : x - Step 2: Convert to fraction form
890,805.08/1,336,396.56 = 291,721.96/x - Step 3: Cross multiply
890,805.08x = 1,336,396.56 × 291,721.96 - Step 4: Simplify right side
890,805.08x = 389,856,223,820.46 - Step 5: Solve for x
x = 389,856,223,820.46/890,805.08 - Step 6: Final answer
x = 437,644.81
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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.