Finding the Fourth Proportional to 842,797.68, 1,163,377.08 and 552,427.96
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Solution
The fourth proportional to 842,797.68, 1,163,377.08 and 552,427.96 is: 762,557.90
Step by Step Solution
- Step 1: Write the proportion equation
842,797.68 : 1,163,377.08 = 552,427.96 : x - Step 2: Convert to fraction form
842,797.68/1,163,377.08 = 552,427.96/x - Step 3: Cross multiply
842,797.68x = 1,163,377.08 × 552,427.96 - Step 4: Simplify right side
842,797.68x = 642,682,027,015.16 - Step 5: Solve for x
x = 642,682,027,015.16/842,797.68 - Step 6: Final answer
x = 762,557.90
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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.