Finding the Fourth Proportional to 737,438.76, 1,106,179.74 and 288,141.48
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Solution
The fourth proportional to 737,438.76, 1,106,179.74 and 288,141.48 is: 432,220.66
Step by Step Solution
- Step 1: Write the proportion equation
737,438.76 : 1,106,179.74 = 288,141.48 : x - Step 2: Convert to fraction form
737,438.76/1,106,179.74 = 288,141.48/x - Step 3: Cross multiply
737,438.76x = 1,106,179.74 × 288,141.48 - Step 4: Simplify right side
737,438.76x = 318,736,267,429.62 - Step 5: Solve for x
x = 318,736,267,429.62/737,438.76 - Step 6: Final answer
x = 432,220.66
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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.