Finding the Fourth Proportional to 892,362.98, 1,338,041.45 and 293,163.26
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Solution
The fourth proportional to 892,362.98, 1,338,041.45 and 293,163.26 is: 439,579.63
Step by Step Solution
- Step 1: Write the proportion equation
892,362.98 : 1,338,041.45 = 293,163.26 : x - Step 2: Convert to fraction form
892,362.98/1,338,041.45 = 293,163.26/x - Step 3: Cross multiply
892,362.98x = 1,338,041.45 × 293,163.26 - Step 4: Simplify right side
892,362.98x = 392,264,585,341.10 - Step 5: Solve for x
x = 392,264,585,341.10/892,362.98 - Step 6: Final answer
x = 439,579.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.