Finding the Fourth Proportional to 687,033.14, 1,029,498.76 and 367,230.51
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Solution
The fourth proportional to 687,033.14, 1,029,498.76 and 367,230.51 is: 550,284.02
Step by Step Solution
- Step 1: Write the proportion equation
687,033.14 : 1,029,498.76 = 367,230.51 : x - Step 2: Convert to fraction form
687,033.14/1,029,498.76 = 367,230.51/x - Step 3: Cross multiply
687,033.14x = 1,029,498.76 × 367,230.51 - Step 4: Simplify right side
687,033.14x = 378,063,355,138.21 - Step 5: Solve for x
x = 378,063,355,138.21/687,033.14 - Step 6: Final answer
x = 550,284.02
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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.