Finding the Fourth Proportional to 715,544.93, 987,463.52 and 409,620.08
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Solution
The fourth proportional to 715,544.93, 987,463.52 and 409,620.08 is: 565,282.30
Step by Step Solution
- Step 1: Write the proportion equation
715,544.93 : 987,463.52 = 409,620.08 : x - Step 2: Convert to fraction form
715,544.93/987,463.52 = 409,620.08/x - Step 3: Cross multiply
715,544.93x = 987,463.52 × 409,620.08 - Step 4: Simplify right side
715,544.93x = 404,484,879,074.06 - Step 5: Solve for x
x = 404,484,879,074.06/715,544.93 - Step 6: Final answer
x = 565,282.30
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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.