Finding the Fourth Proportional to 619,275.23, 854,589.53 and 361,302.17
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Solution
The fourth proportional to 619,275.23, 854,589.53 and 361,302.17 is: 498,590.99
Step by Step Solution
- Step 1: Write the proportion equation
619,275.23 : 854,589.53 = 361,302.17 : x - Step 2: Convert to fraction form
619,275.23/854,589.53 = 361,302.17/x - Step 3: Cross multiply
619,275.23x = 854,589.53 × 361,302.17 - Step 4: Simplify right side
619,275.23x = 308,765,045,568.82 - Step 5: Solve for x
x = 308,765,045,568.82/619,275.23 - Step 6: Final answer
x = 498,590.99
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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.