Finding the Fourth Proportional to 636,586.68, 878,465.18 and 350,089.68
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Solution
The fourth proportional to 636,586.68, 878,465.18 and 350,089.68 is: 483,110.32
Step by Step Solution
- Step 1: Write the proportion equation
636,586.68 : 878,465.18 = 350,089.68 : x - Step 2: Convert to fraction form
636,586.68/878,465.18 = 350,089.68/x - Step 3: Cross multiply
636,586.68x = 878,465.18 × 350,089.68 - Step 4: Simplify right side
636,586.68x = 307,541,593,757.34 - Step 5: Solve for x
x = 307,541,593,757.34/636,586.68 - Step 6: Final answer
x = 483,110.32
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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.