Finding the Fourth Proportional to 702,933.70, 970,053.11 and 380,643.81
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Solution
The fourth proportional to 702,933.70, 970,053.11 and 380,643.81 is: 525,290.95
Step by Step Solution
- Step 1: Write the proportion equation
702,933.70 : 970,053.11 = 380,643.81 : x - Step 2: Convert to fraction form
702,933.70/970,053.11 = 380,643.81/x - Step 3: Cross multiply
702,933.70x = 970,053.11 × 380,643.81 - Step 4: Simplify right side
702,933.70x = 369,244,711,692.75 - Step 5: Solve for x
x = 369,244,711,692.75/702,933.70 - Step 6: Final answer
x = 525,290.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.