Finding the Fourth Proportional to 691,409.80, 1,037,114.70 and 573,311.80
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Solution
The fourth proportional to 691,409.80, 1,037,114.70 and 573,311.80 is: 859,967.70
Step by Step Solution
- Step 1: Write the proportion equation
691,409.80 : 1,037,114.70 = 573,311.80 : x - Step 2: Convert to fraction form
691,409.80/1,037,114.70 = 573,311.80/x - Step 3: Cross multiply
691,409.80x = 1,037,114.70 × 573,311.80 - Step 4: Simplify right side
691,409.80x = 594,590,095,463.46 - Step 5: Solve for x
x = 594,590,095,463.46/691,409.80 - Step 6: Final answer
x = 859,967.70
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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.