Finding the Fourth Proportional to 548,531.19, 757,043.15 and 306,827.19
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Solution
The fourth proportional to 548,531.19, 757,043.15 and 306,827.19 is: 423,460.74
Step by Step Solution
- Step 1: Write the proportion equation
548,531.19 : 757,043.15 = 306,827.19 : x - Step 2: Convert to fraction form
548,531.19/757,043.15 = 306,827.19/x - Step 3: Cross multiply
548,531.19x = 757,043.15 × 306,827.19 - Step 4: Simplify right side
548,531.19x = 232,281,420,889.11 - Step 5: Solve for x
x = 232,281,420,889.11/548,531.19 - Step 6: Final answer
x = 423,460.74
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1.5x scale
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.