Finding the Fourth Proportional to 851,876.80, 1,276,729.80 and 452,708.80
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Solution
The fourth proportional to 851,876.80, 1,276,729.80 and 452,708.80 is: 678,486.39
Step by Step Solution
- Step 1: Write the proportion equation
851,876.80 : 1,276,729.80 = 452,708.80 : x - Step 2: Convert to fraction form
851,876.80/1,276,729.80 = 452,708.80/x - Step 3: Cross multiply
851,876.80x = 1,276,729.80 × 452,708.80 - Step 4: Simplify right side
851,876.80x = 577,986,815,682.24 - Step 5: Solve for x
x = 577,986,815,682.24/851,876.80 - Step 6: Final answer
x = 678,486.39
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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.