Finding the Fourth Proportional to 619,857.48, 930,284.34 and 320,425.68
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Solution
The fourth proportional to 619,857.48, 930,284.34 and 320,425.68 is: 480,896.02
Step by Step Solution
- Step 1: Write the proportion equation
619,857.48 : 930,284.34 = 320,425.68 : x - Step 2: Convert to fraction form
619,857.48/930,284.34 = 320,425.68/x - Step 3: Cross multiply
619,857.48x = 930,284.34 × 320,425.68 - Step 4: Simplify right side
619,857.48x = 298,086,992,237.85 - Step 5: Solve for x
x = 298,086,992,237.85/619,857.48 - Step 6: Final answer
x = 480,896.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.