Finding the Fourth Proportional to 552,976.19, 828,135.68 and 315,599.21
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Solution
The fourth proportional to 552,976.19, 828,135.68 and 315,599.21 is: 472,640.54
Step by Step Solution
- Step 1: Write the proportion equation
552,976.19 : 828,135.68 = 315,599.21 : x - Step 2: Convert to fraction form
552,976.19/828,135.68 = 315,599.21/x - Step 3: Cross multiply
552,976.19x = 828,135.68 × 315,599.21 - Step 4: Simplify right side
552,976.19x = 261,358,960,662.14 - Step 5: Solve for x
x = 261,358,960,662.14/552,976.19 - Step 6: Final answer
x = 472,640.54
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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.