Finding the Fourth Proportional to 695,295.63, 1,042,997.36 and 208,939.79
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Solution
The fourth proportional to 695,295.63, 1,042,997.36 and 208,939.79 is: 313,425.89
Step by Step Solution
- Step 1: Write the proportion equation
695,295.63 : 1,042,997.36 = 208,939.79 : x - Step 2: Convert to fraction form
695,295.63/1,042,997.36 = 208,939.79/x - Step 3: Cross multiply
695,295.63x = 1,042,997.36 × 208,939.79 - Step 4: Simplify right side
695,295.63x = 217,923,650,931.75 - Step 5: Solve for x
x = 217,923,650,931.75/695,295.63 - Step 6: Final answer
x = 313,425.89
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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.