Finding the Fourth Proportional to 756,235.34, 1,043,655.35 and 416,703.60
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Solution
The fourth proportional to 756,235.34, 1,043,655.35 and 416,703.60 is: 575,078.84
Step by Step Solution
- Step 1: Write the proportion equation
756,235.34 : 1,043,655.35 = 416,703.60 : x - Step 2: Convert to fraction form
756,235.34/1,043,655.35 = 416,703.60/x - Step 3: Cross multiply
756,235.34x = 1,043,655.35 × 416,703.60 - Step 4: Simplify right side
756,235.34x = 434,894,941,504.26 - Step 5: Solve for x
x = 434,894,941,504.26/756,235.34 - Step 6: Final answer
x = 575,078.84
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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.