Finding the Fourth Proportional to 636,655.66, 878,585.26 and 350,197.54
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Solution
The fourth proportional to 636,655.66, 878,585.26 and 350,197.54 is: 483,272.85
Step by Step Solution
- Step 1: Write the proportion equation
636,655.66 : 878,585.26 = 350,197.54 : x - Step 2: Convert to fraction form
636,655.66/878,585.26 = 350,197.54/x - Step 3: Cross multiply
636,655.66x = 878,585.26 × 350,197.54 - Step 4: Simplify right side
636,655.66x = 307,678,396,732.26 - Step 5: Solve for x
x = 307,678,396,732.26/636,655.66 - Step 6: Final answer
x = 483,272.85
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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.