Finding the Fourth Proportional to 815,277.63, 1,125,115.49 and 471,102.15
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Solution
The fourth proportional to 815,277.63, 1,125,115.49 and 471,102.15 is: 650,139.66
Step by Step Solution
- Step 1: Write the proportion equation
815,277.63 : 1,125,115.49 = 471,102.15 : x - Step 2: Convert to fraction form
815,277.63/1,125,115.49 = 471,102.15/x - Step 3: Cross multiply
815,277.63x = 1,125,115.49 × 471,102.15 - Step 4: Simplify right side
815,277.63x = 530,044,323,981.79 - Step 5: Solve for x
x = 530,044,323,981.79/815,277.63 - Step 6: Final answer
x = 650,139.66
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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.