Finding the Fourth Proportional to 636,487.26, 878,358.87 and 350,009.46
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Solution
The fourth proportional to 636,487.26, 878,358.87 and 350,009.46 is: 483,016.60
Step by Step Solution
- Step 1: Write the proportion equation
636,487.26 : 878,358.87 = 350,009.46 : x - Step 2: Convert to fraction form
636,487.26/878,358.87 = 350,009.46/x - Step 3: Cross multiply
636,487.26x = 878,358.87 × 350,009.46 - Step 4: Simplify right side
636,487.26x = 307,433,913,774.91 - Step 5: Solve for x
x = 307,433,913,774.91/636,487.26 - Step 6: Final answer
x = 483,016.60
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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.