Finding the Fourth Proportional to 987,382.44, 1,480,767.48 and 356,214.24
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Solution
The fourth proportional to 987,382.44, 1,480,767.48 and 356,214.24 is: 534,210.90
Step by Step Solution
- Step 1: Write the proportion equation
987,382.44 : 1,480,767.48 = 356,214.24 : x - Step 2: Convert to fraction form
987,382.44/1,480,767.48 = 356,214.24/x - Step 3: Cross multiply
987,382.44x = 1,480,767.48 × 356,214.24 - Step 4: Simplify right side
987,382.44x = 527,470,462,504.92 - Step 5: Solve for x
x = 527,470,462,504.92/987,382.44 - Step 6: Final answer
x = 534,210.90
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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.