Finding the Fourth Proportional to 579,642.36, 798,982.26 and 456,934.68
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Solution
The fourth proportional to 579,642.36, 798,982.26 and 456,934.68 is: 629,841.31
Step by Step Solution
- Step 1: Write the proportion equation
579,642.36 : 798,982.26 = 456,934.68 : x - Step 2: Convert to fraction form
579,642.36/798,982.26 = 456,934.68/x - Step 3: Cross multiply
579,642.36x = 798,982.26 × 456,934.68 - Step 4: Simplify right side
579,642.36x = 365,082,703,298.78 - Step 5: Solve for x
x = 365,082,703,298.78/579,642.36 - Step 6: Final answer
x = 629,841.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.