Finding the Fourth Proportional to 573,324.80, 791,187.36 and 318,699.68
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Solution
The fourth proportional to 573,324.80, 791,187.36 and 318,699.68 is: 439,805.08
Step by Step Solution
- Step 1: Write the proportion equation
573,324.80 : 791,187.36 = 318,699.68 : x - Step 2: Convert to fraction form
573,324.80/791,187.36 = 318,699.68/x - Step 3: Cross multiply
573,324.80x = 791,187.36 × 318,699.68 - Step 4: Simplify right side
573,324.80x = 252,151,158,452.05 - Step 5: Solve for x
x = 252,151,158,452.05/573,324.80 - Step 6: Final answer
x = 439,805.08
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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.