Finding the Fourth Proportional to 683,937.10, 943,882.07 and 378,006.90
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Solution
The fourth proportional to 683,937.10, 943,882.07 and 378,006.90 is: 521,676.53
Step by Step Solution
- Step 1: Write the proportion equation
683,937.10 : 943,882.07 = 378,006.90 : x - Step 2: Convert to fraction form
683,937.10/943,882.07 = 378,006.90/x - Step 3: Cross multiply
683,937.10x = 943,882.07 × 378,006.90 - Step 4: Simplify right side
683,937.10x = 356,793,935,126.03 - Step 5: Solve for x
x = 356,793,935,126.03/683,937.10 - Step 6: Final answer
x = 521,676.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.