Finding the Fourth Proportional to 804,879.07, 1,110,490.90 and 482,471.53
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Solution
The fourth proportional to 804,879.07, 1,110,490.90 and 482,471.53 is: 665,665.52
Step by Step Solution
- Step 1: Write the proportion equation
804,879.07 : 1,110,490.90 = 482,471.53 : x - Step 2: Convert to fraction form
804,879.07/1,110,490.90 = 482,471.53/x - Step 3: Cross multiply
804,879.07x = 1,110,490.90 × 482,471.53 - Step 4: Simplify right side
804,879.07x = 535,780,243,574.08 - Step 5: Solve for x
x = 535,780,243,574.08/804,879.07 - Step 6: Final answer
x = 665,665.52
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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.