Finding the Fourth Proportional to 727,609.48, 1,090,586.58 and 442,671.99
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Solution
The fourth proportional to 727,609.48, 1,090,586.58 and 442,671.99 is: 663,504.45
Step by Step Solution
- Step 1: Write the proportion equation
727,609.48 : 1,090,586.58 = 442,671.99 : x - Step 2: Convert to fraction form
727,609.48/1,090,586.58 = 442,671.99/x - Step 3: Cross multiply
727,609.48x = 1,090,586.58 × 442,671.99 - Step 4: Simplify right side
727,609.48x = 482,772,128,376.20 - Step 5: Solve for x
x = 482,772,128,376.20/727,609.48 - Step 6: Final answer
x = 663,504.45
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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.