Finding the Fourth Proportional to 703,082.28, 970,248.69 and 380,784.99
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Solution
The fourth proportional to 703,082.28, 970,248.69 and 380,784.99 is: 525,480.66
Step by Step Solution
- Step 1: Write the proportion equation
703,082.28 : 970,248.69 = 380,784.99 : x - Step 2: Convert to fraction form
703,082.28/970,248.69 = 380,784.99/x - Step 3: Cross multiply
703,082.28x = 970,248.69 × 380,784.99 - Step 4: Simplify right side
703,082.28x = 369,456,137,719.16 - Step 5: Solve for x
x = 369,456,137,719.16/703,082.28 - Step 6: Final answer
x = 525,480.66
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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.