Finding the Fourth Proportional to 703,308.75, 970,566.48 and 381,021.09
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Solution
The fourth proportional to 703,308.75, 970,566.48 and 381,021.09 is: 525,809.32
Step by Step Solution
- Step 1: Write the proportion equation
703,308.75 : 970,566.48 = 381,021.09 : x - Step 2: Convert to fraction form
703,308.75/970,566.48 = 381,021.09/x - Step 3: Cross multiply
703,308.75x = 970,566.48 × 381,021.09 - Step 4: Simplify right side
703,308.75x = 369,806,298,127.06 - Step 5: Solve for x
x = 369,806,298,127.06/703,308.75 - Step 6: Final answer
x = 525,809.32
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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.