Finding the Fourth Proportional to 855,203.44, 1,282,597.80 and 356,295.28
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Solution
The fourth proportional to 855,203.44, 1,282,597.80 and 356,295.28 is: 534,356.53
Step by Step Solution
- Step 1: Write the proportion equation
855,203.44 : 1,282,597.80 = 356,295.28 : x - Step 2: Convert to fraction form
855,203.44/1,282,597.80 = 356,295.28/x - Step 3: Cross multiply
855,203.44x = 1,282,597.80 × 356,295.28 - Step 4: Simplify right side
855,203.44x = 456,983,542,278.38 - Step 5: Solve for x
x = 456,983,542,278.38/855,203.44 - Step 6: Final answer
x = 534,356.53
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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.