Finding the Fourth Proportional to 518,345.73, 715,557.24 and 365,508.45
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Solution
The fourth proportional to 518,345.73, 715,557.24 and 365,508.45 is: 504,570.99
Step by Step Solution
- Step 1: Write the proportion equation
518,345.73 : 715,557.24 = 365,508.45 : x - Step 2: Convert to fraction form
518,345.73/715,557.24 = 365,508.45/x - Step 3: Cross multiply
518,345.73x = 715,557.24 × 365,508.45 - Step 4: Simplify right side
518,345.73x = 261,542,217,678.68 - Step 5: Solve for x
x = 261,542,217,678.68/518,345.73 - Step 6: Final answer
x = 504,570.99
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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.