Finding the Fourth Proportional to 562,079.09, 775,687.68 and 307,430.26
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Solution
The fourth proportional to 562,079.09, 775,687.68 and 307,430.26 is: 424,263.90
Step by Step Solution
- Step 1: Write the proportion equation
562,079.09 : 775,687.68 = 307,430.26 : x - Step 2: Convert to fraction form
562,079.09/775,687.68 = 307,430.26/x - Step 3: Cross multiply
562,079.09x = 775,687.68 × 307,430.26 - Step 4: Simplify right side
562,079.09x = 238,469,865,141.20 - Step 5: Solve for x
x = 238,469,865,141.20/562,079.09 - Step 6: Final answer
x = 424,263.90
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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.