Finding the Fourth Proportional to 855,391.04, 1,180,336.08 and 492,933.68
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Solution
The fourth proportional to 855,391.04, 1,180,336.08 and 492,933.68 is: 680,188.80
Step by Step Solution
- Step 1: Write the proportion equation
855,391.04 : 1,180,336.08 = 492,933.68 : x - Step 2: Convert to fraction form
855,391.04/1,180,336.08 = 492,933.68/x - Step 3: Cross multiply
855,391.04x = 1,180,336.08 × 492,933.68 - Step 4: Simplify right side
855,391.04x = 581,827,407,551.18 - Step 5: Solve for x
x = 581,827,407,551.18/855,391.04 - Step 6: Final answer
x = 680,188.80
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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.