Finding the Fourth Proportional to 562,738.94, 776,653.70 and 320,966.09
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Solution
The fourth proportional to 562,738.94, 776,653.70 and 320,966.09 is: 442,975.39
Step by Step Solution
- Step 1: Write the proportion equation
562,738.94 : 776,653.70 = 320,966.09 : x - Step 2: Convert to fraction form
562,738.94/776,653.70 = 320,966.09/x - Step 3: Cross multiply
562,738.94x = 776,653.70 × 320,966.09 - Step 4: Simplify right side
562,738.94x = 249,279,501,373.03 - Step 5: Solve for x
x = 249,279,501,373.03/562,738.94 - Step 6: Final answer
x = 442,975.39
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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.