Finding the Fourth Proportional to 683,843.91, 943,655.18 and 377,916.63
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Solution
The fourth proportional to 683,843.91, 943,655.18 and 377,916.63 is: 521,497.64
Step by Step Solution
- Step 1: Write the proportion equation
683,843.91 : 943,655.18 = 377,916.63 : x - Step 2: Convert to fraction form
683,843.91/943,655.18 = 377,916.63/x - Step 3: Cross multiply
683,843.91x = 943,655.18 × 377,916.63 - Step 4: Simplify right side
683,843.91x = 356,622,983,618.06 - Step 5: Solve for x
x = 356,622,983,618.06/683,843.91 - Step 6: Final answer
x = 521,497.64
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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.