Finding the Fourth Proportional to 648,830.87, 895,249.73 and 376,757.99
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Solution
The fourth proportional to 648,830.87, 895,249.73 and 376,757.99 is: 519,846.55
Step by Step Solution
- Step 1: Write the proportion equation
648,830.87 : 895,249.73 = 376,757.99 : x - Step 2: Convert to fraction form
648,830.87/895,249.73 = 376,757.99/x - Step 3: Cross multiply
648,830.87x = 895,249.73 × 376,757.99 - Step 4: Simplify right side
648,830.87x = 337,292,491,710.40 - Step 5: Solve for x
x = 337,292,491,710.40/648,830.87 - Step 6: Final answer
x = 519,846.55
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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.