Finding the Fourth Proportional to 845,313.96, 1,166,527.98 and 463,356.84
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Solution
The fourth proportional to 845,313.96, 1,166,527.98 and 463,356.84 is: 639,429.54
Step by Step Solution
- Step 1: Write the proportion equation
845,313.96 : 1,166,527.98 = 463,356.84 : x - Step 2: Convert to fraction form
845,313.96/1,166,527.98 = 463,356.84/x - Step 3: Cross multiply
845,313.96x = 1,166,527.98 × 463,356.84 - Step 4: Simplify right side
845,313.96x = 540,518,718,584.38 - Step 5: Solve for x
x = 540,518,718,584.38/845,313.96 - Step 6: Final answer
x = 639,429.54
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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.