Finding the Fourth Proportional to 521,552.14, 719,717.07 and 320,309.26
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Solution
The fourth proportional to 521,552.14, 719,717.07 and 320,309.26 is: 442,011.50
Step by Step Solution
- Step 1: Write the proportion equation
521,552.14 : 719,717.07 = 320,309.26 : x - Step 2: Convert to fraction form
521,552.14/719,717.07 = 320,309.26/x - Step 3: Cross multiply
521,552.14x = 719,717.07 × 320,309.26 - Step 4: Simplify right side
521,552.14x = 230,532,042,101.07 - Step 5: Solve for x
x = 230,532,042,101.07/521,552.14 - Step 6: Final answer
x = 442,011.50
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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.