Finding the Fourth Proportional to 703,083.28, 970,250.07 and 380,785.99
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Solution
The fourth proportional to 703,083.28, 970,250.07 and 380,785.99 is: 525,482.04
Step by Step Solution
- Step 1: Write the proportion equation
703,083.28 : 970,250.07 = 380,785.99 : x - Step 2: Convert to fraction form
703,083.28/970,250.07 = 380,785.99/x - Step 3: Cross multiply
703,083.28x = 970,250.07 × 380,785.99 - Step 4: Simplify right side
703,083.28x = 369,457,633,452.52 - Step 5: Solve for x
x = 369,457,633,452.52/703,083.28 - Step 6: Final answer
x = 525,482.04
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1.5x scale
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.