Finding the Fourth Proportional to 558,374.13, 837,228.29 and 378,680.49
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Solution
The fourth proportional to 558,374.13, 837,228.29 and 378,680.49 is: 567,794.96
Step by Step Solution
- Step 1: Write the proportion equation
558,374.13 : 837,228.29 = 378,680.49 : x - Step 2: Convert to fraction form
558,374.13/837,228.29 = 378,680.49/x - Step 3: Cross multiply
558,374.13x = 837,228.29 × 378,680.49 - Step 4: Simplify right side
558,374.13x = 317,042,017,205.66 - Step 5: Solve for x
x = 317,042,017,205.66/558,374.13 - Step 6: Final answer
x = 567,794.96
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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.