Finding the Fourth Proportional to 743,794.13, 1,026,435.90 and 441,988.13
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Solution
The fourth proportional to 743,794.13, 1,026,435.90 and 441,988.13 is: 609,943.62
Step by Step Solution
- Step 1: Write the proportion equation
743,794.13 : 1,026,435.90 = 441,988.13 : x - Step 2: Convert to fraction form
743,794.13/1,026,435.90 = 441,988.13/x - Step 3: Cross multiply
743,794.13x = 1,026,435.90 × 441,988.13 - Step 4: Simplify right side
743,794.13x = 453,672,478,873.69 - Step 5: Solve for x
x = 453,672,478,873.69/743,794.13 - Step 6: Final answer
x = 609,943.62
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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.