Finding the Fourth Proportional to 808,260.60, 1,212,275.70 and 275,806.20
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Solution
The fourth proportional to 808,260.60, 1,212,275.70 and 275,806.20 is: 413,669.99
Step by Step Solution
- Step 1: Write the proportion equation
808,260.60 : 1,212,275.70 = 275,806.20 : x - Step 2: Convert to fraction form
808,260.60/1,212,275.70 = 275,806.20/x - Step 3: Cross multiply
808,260.60x = 1,212,275.70 × 275,806.20 - Step 4: Simplify right side
808,260.60x = 334,353,154,169.34 - Step 5: Solve for x
x = 334,353,154,169.34/808,260.60 - Step 6: Final answer
x = 413,669.99
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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.