Finding the Fourth Proportional to 636,700.96, 878,628.81 and 350,220.97
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Solution
The fourth proportional to 636,700.96, 878,628.81 and 350,220.97 is: 483,294.75
Step by Step Solution
- Step 1: Write the proportion equation
636,700.96 : 878,628.81 = 350,220.97 : x - Step 2: Convert to fraction form
636,700.96/878,628.81 = 350,220.97/x - Step 3: Cross multiply
636,700.96x = 878,628.81 × 350,220.97 - Step 4: Simplify right side
636,700.96x = 307,714,234,108.15 - Step 5: Solve for x
x = 307,714,234,108.15/636,700.96 - Step 6: Final answer
x = 483,294.75
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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.