Finding the Fourth Proportional to 578,656.18, 798,452.50 and 363,644.02
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Solution
The fourth proportional to 578,656.18, 798,452.50 and 363,644.02 is: 501,770.29
Step by Step Solution
- Step 1: Write the proportion equation
578,656.18 : 798,452.50 = 363,644.02 : x - Step 2: Convert to fraction form
578,656.18/798,452.50 = 363,644.02/x - Step 3: Cross multiply
578,656.18x = 798,452.50 × 363,644.02 - Step 4: Simplify right side
578,656.18x = 290,352,476,879.05 - Step 5: Solve for x
x = 290,352,476,879.05/578,656.18 - Step 6: Final answer
x = 501,770.29
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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.