Finding the Fourth Proportional to 742,777.43, 1,112,349.06 and 670,891.82
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Solution
The fourth proportional to 742,777.43, 1,112,349.06 and 670,891.82 is: 1,004,696.50
Step by Step Solution
- Step 1: Write the proportion equation
742,777.43 : 1,112,349.06 = 670,891.82 : x - Step 2: Convert to fraction form
742,777.43/1,112,349.06 = 670,891.82/x - Step 3: Cross multiply
742,777.43x = 1,112,349.06 × 670,891.82 - Step 4: Simplify right side
742,777.43x = 746,265,881,454.17 - Step 5: Solve for x
x = 746,265,881,454.17/742,777.43 - Step 6: Final answer
x = 1,004,696.50
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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.