Finding the Fourth Proportional to 770,596.70, 1,155,896.67 and 415,777.82
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Solution
The fourth proportional to 770,596.70, 1,155,896.67 and 415,777.82 is: 623,667.60
Step by Step Solution
- Step 1: Write the proportion equation
770,596.70 : 1,155,896.67 = 415,777.82 : x - Step 2: Convert to fraction form
770,596.70/1,155,896.67 = 415,777.82/x - Step 3: Cross multiply
770,596.70x = 1,155,896.67 × 415,777.82 - Step 4: Simplify right side
770,596.70x = 480,596,197,597.86 - Step 5: Solve for x
x = 480,596,197,597.86/770,596.70 - Step 6: Final answer
x = 623,667.60
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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.