Finding the Fourth Proportional to 636,660.68, 878,592.16 and 350,202.56
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Solution
The fourth proportional to 636,660.68, 878,592.16 and 350,202.56 is: 483,279.76
Step by Step Solution
- Step 1: Write the proportion equation
636,660.68 : 878,592.16 = 350,202.56 : x - Step 2: Convert to fraction form
636,660.68/878,592.16 = 350,202.56/x - Step 3: Cross multiply
636,660.68x = 878,592.16 × 350,202.56 - Step 4: Simplify right side
636,660.68x = 307,685,223,627.93 - Step 5: Solve for x
x = 307,685,223,627.93/636,660.68 - Step 6: Final answer
x = 483,279.76
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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.