Finding the Fourth Proportional to 668,175.99, 1,002,788.87 and 368,863.17
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Solution
The fourth proportional to 668,175.99, 1,002,788.87 and 368,863.17 is: 553,584.51
Step by Step Solution
- Step 1: Write the proportion equation
668,175.99 : 1,002,788.87 = 368,863.17 : x - Step 2: Convert to fraction form
668,175.99/1,002,788.87 = 368,863.17/x - Step 3: Cross multiply
668,175.99x = 1,002,788.87 × 368,863.17 - Step 4: Simplify right side
668,175.99x = 369,891,879,584.60 - Step 5: Solve for x
x = 369,891,879,584.60/668,175.99 - Step 6: Final answer
x = 553,584.51
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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.