Finding the Fourth Proportional to 905,172.57, 1,355,692.14 and 432,190.08
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Solution
The fourth proportional to 905,172.57, 1,355,692.14 and 432,190.08 is: 647,298.33
Step by Step Solution
- Step 1: Write the proportion equation
905,172.57 : 1,355,692.14 = 432,190.08 : x - Step 2: Convert to fraction form
905,172.57/1,355,692.14 = 432,190.08/x - Step 3: Cross multiply
905,172.57x = 1,355,692.14 × 432,190.08 - Step 4: Simplify right side
905,172.57x = 585,916,694,441.97 - Step 5: Solve for x
x = 585,916,694,441.97/905,172.57 - Step 6: Final answer
x = 647,298.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.