Finding the Fourth Proportional to 634,013.25, 875,027.79 and 392,373.65
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Solution
The fourth proportional to 634,013.25, 875,027.79 and 392,373.65 is: 541,531.02
Step by Step Solution
- Step 1: Write the proportion equation
634,013.25 : 875,027.79 = 392,373.65 : x - Step 2: Convert to fraction form
634,013.25/875,027.79 = 392,373.65/x - Step 3: Cross multiply
634,013.25x = 875,027.79 × 392,373.65 - Step 4: Simplify right side
634,013.25x = 343,337,843,438.60 - Step 5: Solve for x
x = 343,337,843,438.60/634,013.25 - Step 6: Final answer
x = 541,531.02
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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.