Finding the Fourth Proportional to 639,110.58, 882,292.19 and 397,471.02
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Solution
The fourth proportional to 639,110.58, 882,292.19 and 397,471.02 is: 548,708.76
Step by Step Solution
- Step 1: Write the proportion equation
639,110.58 : 882,292.19 = 397,471.02 : x - Step 2: Convert to fraction form
639,110.58/882,292.19 = 397,471.02/x - Step 3: Cross multiply
639,110.58x = 882,292.19 × 397,471.02 - Step 4: Simplify right side
639,110.58x = 350,685,574,709.98 - Step 5: Solve for x
x = 350,685,574,709.98/639,110.58 - Step 6: Final answer
x = 548,708.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.