Finding the Fourth Proportional to 693,552.66, 1,040,364.99 and 220,275.06
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Solution
The fourth proportional to 693,552.66, 1,040,364.99 and 220,275.06 is: 330,424.02
Step by Step Solution
- Step 1: Write the proportion equation
693,552.66 : 1,040,364.99 = 220,275.06 : x - Step 2: Convert to fraction form
693,552.66/1,040,364.99 = 220,275.06/x - Step 3: Cross multiply
693,552.66x = 1,040,364.99 × 220,275.06 - Step 4: Simplify right side
693,552.66x = 229,166,460,594.15 - Step 5: Solve for x
x = 229,166,460,594.15/693,552.66 - Step 6: Final answer
x = 330,424.02
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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.