Finding the Fourth Proportional to 654,910.08, 903,707.60 and 368,405.80
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Solution
The fourth proportional to 654,910.08, 903,707.60 and 368,405.80 is: 508,361.58
Step by Step Solution
- Step 1: Write the proportion equation
654,910.08 : 903,707.60 = 368,405.80 : x - Step 2: Convert to fraction form
654,910.08/903,707.60 = 368,405.80/x - Step 3: Cross multiply
654,910.08x = 903,707.60 × 368,405.80 - Step 4: Simplify right side
654,910.08x = 332,931,121,344.08 - Step 5: Solve for x
x = 332,931,121,344.08/654,910.08 - Step 6: Final answer
x = 508,361.58
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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.