Finding the Fourth Proportional to 906,534.26, 1,250,991.16 and 498,636.08
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Solution
The fourth proportional to 906,534.26, 1,250,991.16 and 498,636.08 is: 688,103.42
Step by Step Solution
- Step 1: Write the proportion equation
906,534.26 : 1,250,991.16 = 498,636.08 : x - Step 2: Convert to fraction form
906,534.26/1,250,991.16 = 498,636.08/x - Step 3: Cross multiply
906,534.26x = 1,250,991.16 × 498,636.08 - Step 4: Simplify right side
906,534.26x = 623,789,320,635.51 - Step 5: Solve for x
x = 623,789,320,635.51/906,534.26 - Step 6: Final answer
x = 688,103.42
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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.