Finding the Fourth Proportional to 808,065.36, 1,115,137.41 and 445,502.07
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Solution
The fourth proportional to 808,065.36, 1,115,137.41 and 445,502.07 is: 614,796.83
Step by Step Solution
- Step 1: Write the proportion equation
808,065.36 : 1,115,137.41 = 445,502.07 : x - Step 2: Convert to fraction form
808,065.36/1,115,137.41 = 445,502.07/x - Step 3: Cross multiply
808,065.36x = 1,115,137.41 × 445,502.07 - Step 4: Simplify right side
808,065.36x = 496,796,024,489.44 - Step 5: Solve for x
x = 496,796,024,489.44/808,065.36 - Step 6: Final answer
x = 614,796.83
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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.