Finding the Fourth Proportional to 552,661.70, 828,555.15 and 303,343.70
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Solution
The fourth proportional to 552,661.70, 828,555.15 and 303,343.70 is: 454,775.47
Step by Step Solution
- Step 1: Write the proportion equation
552,661.70 : 828,555.15 = 303,343.70 : x - Step 2: Convert to fraction form
552,661.70/828,555.15 = 303,343.70/x - Step 3: Cross multiply
552,661.70x = 828,555.15 × 303,343.70 - Step 4: Simplify right side
552,661.70x = 251,336,984,855.06 - Step 5: Solve for x
x = 251,336,984,855.06/552,661.70 - Step 6: Final answer
x = 454,775.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.