Finding the Fourth Proportional to 670,847.12, 1,006,737.24 and 433,601.36
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Solution
The fourth proportional to 670,847.12, 1,006,737.24 and 433,601.36 is: 650,703.60
Step by Step Solution
- Step 1: Write the proportion equation
670,847.12 : 1,006,737.24 = 433,601.36 : x - Step 2: Convert to fraction form
670,847.12/1,006,737.24 = 433,601.36/x - Step 3: Cross multiply
670,847.12x = 1,006,737.24 × 433,601.36 - Step 4: Simplify right side
670,847.12x = 436,522,631,392.96 - Step 5: Solve for x
x = 436,522,631,392.96/670,847.12 - Step 6: Final answer
x = 650,703.60
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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.