Finding the Fourth Proportional to 982,336.20, 1,355,514.12 and 552,607.44
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Solution
The fourth proportional to 982,336.20, 1,355,514.12 and 552,607.44 is: 762,536.48
Step by Step Solution
- Step 1: Write the proportion equation
982,336.20 : 1,355,514.12 = 552,607.44 : x - Step 2: Convert to fraction form
982,336.20/1,355,514.12 = 552,607.44/x - Step 3: Cross multiply
982,336.20x = 1,355,514.12 × 552,607.44 - Step 4: Simplify right side
982,336.20x = 749,067,187,737.05 - Step 5: Solve for x
x = 749,067,187,737.05/982,336.20 - Step 6: Final answer
x = 762,536.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.