Finding the Fourth Proportional to 683,677.71, 943,471.36 and 377,754.19
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Solution
The fourth proportional to 683,677.71, 943,471.36 and 377,754.19 is: 521,298.64
Step by Step Solution
- Step 1: Write the proportion equation
683,677.71 : 943,471.36 = 377,754.19 : x - Step 2: Convert to fraction form
683,677.71/943,471.36 = 377,754.19/x - Step 3: Cross multiply
683,677.71x = 943,471.36 × 377,754.19 - Step 4: Simplify right side
683,677.71x = 356,400,259,385.00 - Step 5: Solve for x
x = 356,400,259,385.00/683,677.71 - Step 6: Final answer
x = 521,298.64
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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.