Finding the Fourth Proportional to 527,145.08, 726,916.47 and 450,916.52
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Solution
The fourth proportional to 527,145.08, 726,916.47 and 450,916.52 is: 621,799.69
Step by Step Solution
- Step 1: Write the proportion equation
527,145.08 : 726,916.47 = 450,916.52 : x - Step 2: Convert to fraction form
527,145.08/726,916.47 = 450,916.52/x - Step 3: Cross multiply
527,145.08x = 726,916.47 × 450,916.52 - Step 4: Simplify right side
527,145.08x = 327,778,644,983.08 - Step 5: Solve for x
x = 327,778,644,983.08/527,145.08 - Step 6: Final answer
x = 621,799.69
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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.