Finding the Fourth Proportional to 784,135.67, 1,175,729.94 and 351,773.96
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Solution
The fourth proportional to 784,135.67, 1,175,729.94 and 351,773.96 is: 527,448.49
Step by Step Solution
- Step 1: Write the proportion equation
784,135.67 : 1,175,729.94 = 351,773.96 : x - Step 2: Convert to fraction form
784,135.67/1,175,729.94 = 351,773.96/x - Step 3: Cross multiply
784,135.67x = 1,175,729.94 × 351,773.96 - Step 4: Simplify right side
784,135.67x = 413,591,171,005.71 - Step 5: Solve for x
x = 413,591,171,005.71/784,135.67 - Step 6: Final answer
x = 527,448.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.