Finding the Fourth Proportional to 738,367.80, 1,107,551.70 and 620,269.80
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Solution
The fourth proportional to 738,367.80, 1,107,551.70 and 620,269.80 is: 930,404.70
Step by Step Solution
- Step 1: Write the proportion equation
738,367.80 : 1,107,551.70 = 620,269.80 : x - Step 2: Convert to fraction form
738,367.80/1,107,551.70 = 620,269.80/x - Step 3: Cross multiply
738,367.80x = 1,107,551.70 × 620,269.80 - Step 4: Simplify right side
738,367.80x = 686,980,871,448.66 - Step 5: Solve for x
x = 686,980,871,448.66/738,367.80 - Step 6: Final answer
x = 930,404.70
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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.