Finding the Fourth Proportional to 890,986.08, 1,336,216.68 and 691,531.68
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Solution
The fourth proportional to 890,986.08, 1,336,216.68 and 691,531.68 is: 1,037,093.83
Step by Step Solution
- Step 1: Write the proportion equation
890,986.08 : 1,336,216.68 = 691,531.68 : x - Step 2: Convert to fraction form
890,986.08/1,336,216.68 = 691,531.68/x - Step 3: Cross multiply
890,986.08x = 1,336,216.68 × 691,531.68 - Step 4: Simplify right side
890,986.08x = 924,036,165,564.42 - Step 5: Solve for x
x = 924,036,165,564.42/890,986.08 - Step 6: Final answer
x = 1,037,093.83
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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.