Finding the Fourth Proportional to 756,345.93, 1,043,726.99 and 412,174.55
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Solution
The fourth proportional to 756,345.93, 1,043,726.99 and 412,174.55 is: 568,784.32
Step by Step Solution
- Step 1: Write the proportion equation
756,345.93 : 1,043,726.99 = 412,174.55 : x - Step 2: Convert to fraction form
756,345.93/1,043,726.99 = 412,174.55/x - Step 3: Cross multiply
756,345.93x = 1,043,726.99 × 412,174.55 - Step 4: Simplify right side
756,345.93x = 430,197,703,516.79 - Step 5: Solve for x
x = 430,197,703,516.79/756,345.93 - Step 6: Final answer
x = 568,784.32
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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.