Finding the Fourth Proportional to 558,879.13, 771,249.36 and 304,229.71
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Solution
The fourth proportional to 558,879.13, 771,249.36 and 304,229.71 is: 419,834.91
Step by Step Solution
- Step 1: Write the proportion equation
558,879.13 : 771,249.36 = 304,229.71 : x - Step 2: Convert to fraction form
558,879.13/771,249.36 = 304,229.71/x - Step 3: Cross multiply
558,879.13x = 771,249.36 × 304,229.71 - Step 4: Simplify right side
558,879.13x = 234,636,969,130.49 - Step 5: Solve for x
x = 234,636,969,130.49/558,879.13 - Step 6: Final answer
x = 419,834.91
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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.