Finding the Fourth Proportional to 887,748.40, 1,331,448.84 and 738,944.88
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Solution
The fourth proportional to 887,748.40, 1,331,448.84 and 738,944.88 is: 1,108,272.69
Step by Step Solution
- Step 1: Write the proportion equation
887,748.40 : 1,331,448.84 = 738,944.88 : x - Step 2: Convert to fraction form
887,748.40/1,331,448.84 = 738,944.88/x - Step 3: Cross multiply
887,748.40x = 1,331,448.84 × 738,944.88 - Step 4: Simplify right side
887,748.40x = 983,867,303,299.94 - Step 5: Solve for x
x = 983,867,303,299.94/887,748.40 - Step 6: Final answer
x = 1,108,272.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.