Finding the Fourth Proportional to 905,490.02, 1,356,973.38 and 680,588.05
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Solution
The fourth proportional to 905,490.02, 1,356,973.38 and 680,588.05 is: 1,019,933.79
Step by Step Solution
- Step 1: Write the proportion equation
905,490.02 : 1,356,973.38 = 680,588.05 : x - Step 2: Convert to fraction form
905,490.02/1,356,973.38 = 680,588.05/x - Step 3: Cross multiply
905,490.02x = 1,356,973.38 × 680,588.05 - Step 4: Simplify right side
905,490.02x = 923,539,866,596.11 - Step 5: Solve for x
x = 923,539,866,596.11/905,490.02 - Step 6: Final answer
x = 1,019,933.79
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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.