Finding the Fourth Proportional to 873,361.31, 1,310,029.67 and 274,358.42
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Solution
The fourth proportional to 873,361.31, 1,310,029.67 and 274,358.42 is: 411,533.77
Step by Step Solution
- Step 1: Write the proportion equation
873,361.31 : 1,310,029.67 = 274,358.42 : x - Step 2: Convert to fraction form
873,361.31/1,310,029.67 = 274,358.42/x - Step 3: Cross multiply
873,361.31x = 1,310,029.67 × 274,358.42 - Step 4: Simplify right side
873,361.31x = 359,417,670,414.32 - Step 5: Solve for x
x = 359,417,670,414.32/873,361.31 - Step 6: Final answer
x = 411,533.77
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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.