Finding the Fourth Proportional to 970,183.82, 1,455,599.61 and 430,365.63
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Solution
The fourth proportional to 970,183.82, 1,455,599.61 and 430,365.63 is: 645,692.12
Step by Step Solution
- Step 1: Write the proportion equation
970,183.82 : 1,455,599.61 = 430,365.63 : x - Step 2: Convert to fraction form
970,183.82/1,455,599.61 = 430,365.63/x - Step 3: Cross multiply
970,183.82x = 1,455,599.61 × 430,365.63 - Step 4: Simplify right side
970,183.82x = 626,440,043,185.40 - Step 5: Solve for x
x = 626,440,043,185.40/970,183.82 - Step 6: Final answer
x = 645,692.12
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1.5x scale
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.