Finding the Fourth Proportional to 857,575.68, 1,284,648.44 and 515,830.41
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Solution
The fourth proportional to 857,575.68, 1,284,648.44 and 515,830.41 is: 772,714.00
Step by Step Solution
- Step 1: Write the proportion equation
857,575.68 : 1,284,648.44 = 515,830.41 : x - Step 2: Convert to fraction form
857,575.68/1,284,648.44 = 515,830.41/x - Step 3: Cross multiply
857,575.68x = 1,284,648.44 × 515,830.41 - Step 4: Simplify right side
857,575.68x = 662,660,731,511.06 - Step 5: Solve for x
x = 662,660,731,511.06/857,575.68 - Step 6: Final answer
x = 772,714.00
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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.