Finding the Fourth Proportional to 489,177.47, 733,644.69 and 276,038.95
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Solution
The fourth proportional to 489,177.47, 733,644.69 and 276,038.95 is: 413,989.85
Step by Step Solution
- Step 1: Write the proportion equation
489,177.47 : 733,644.69 = 276,038.95 : x - Step 2: Convert to fraction form
489,177.47/733,644.69 = 276,038.95/x - Step 3: Cross multiply
489,177.47x = 733,644.69 × 276,038.95 - Step 4: Simplify right side
489,177.47x = 202,514,508,520.48 - Step 5: Solve for x
x = 202,514,508,520.48/489,177.47 - Step 6: Final answer
x = 413,989.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.