Finding the Fourth Proportional to 703,349.96, 970,623.97 and 381,060.07
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Solution
The fourth proportional to 703,349.96, 970,623.97 and 381,060.07 is: 525,863.45
Step by Step Solution
- Step 1: Write the proportion equation
703,349.96 : 970,623.97 = 381,060.07 : x - Step 2: Convert to fraction form
703,349.96/970,623.97 = 381,060.07/x - Step 3: Cross multiply
703,349.96x = 970,623.97 × 381,060.07 - Step 4: Simplify right side
703,349.96x = 369,866,034,572.67 - Step 5: Solve for x
x = 369,866,034,572.67/703,349.96 - Step 6: Final answer
x = 525,863.45
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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.