Finding the Fourth Proportional to 906,757.22, 1,251,323.08 and 498,858.08
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Solution
The fourth proportional to 906,757.22, 1,251,323.08 and 498,858.08 is: 688,423.11
Step by Step Solution
- Step 1: Write the proportion equation
906,757.22 : 1,251,323.08 = 498,858.08 : x - Step 2: Convert to fraction form
906,757.22/1,251,323.08 = 498,858.08/x - Step 3: Cross multiply
906,757.22x = 1,251,323.08 × 498,858.08 - Step 4: Simplify right side
906,757.22x = 624,232,621,644.73 - Step 5: Solve for x
x = 624,232,621,644.73/906,757.22 - Step 6: Final answer
x = 688,423.11
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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.