Finding the Fourth Proportional to 680,292.57, 1,020,586.48 and 206,965.63
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Solution
The fourth proportional to 680,292.57, 1,020,586.48 and 206,965.63 is: 310,493.35
Step by Step Solution
- Step 1: Write the proportion equation
680,292.57 : 1,020,586.48 = 206,965.63 : x - Step 2: Convert to fraction form
680,292.57/1,020,586.48 = 206,965.63/x - Step 3: Cross multiply
680,292.57x = 1,020,586.48 × 206,965.63 - Step 4: Simplify right side
680,292.57x = 211,226,317,664.92 - Step 5: Solve for x
x = 211,226,317,664.92/680,292.57 - Step 6: Final answer
x = 310,493.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.