Finding the Fourth Proportional to 572,961.93, 790,641.18 and 331,260.06
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Solution
The fourth proportional to 572,961.93, 790,641.18 and 331,260.06 is: 457,112.12
Step by Step Solution
- Step 1: Write the proportion equation
572,961.93 : 790,641.18 = 331,260.06 : x - Step 2: Convert to fraction form
572,961.93/790,641.18 = 331,260.06/x - Step 3: Cross multiply
572,961.93x = 790,641.18 × 331,260.06 - Step 4: Simplify right side
572,961.93x = 261,907,844,725.27 - Step 5: Solve for x
x = 261,907,844,725.27/572,961.93 - Step 6: Final answer
x = 457,112.12
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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.