Finding the Fourth Proportional to 745,396.07, 1,028,663.49 and 423,076.01
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Solution
The fourth proportional to 745,396.07, 1,028,663.49 and 423,076.01 is: 583,854.49
Step by Step Solution
- Step 1: Write the proportion equation
745,396.07 : 1,028,663.49 = 423,076.01 : x - Step 2: Convert to fraction form
745,396.07/1,028,663.49 = 423,076.01/x - Step 3: Cross multiply
745,396.07x = 1,028,663.49 × 423,076.01 - Step 4: Simplify right side
745,396.07x = 435,202,839,838.56 - Step 5: Solve for x
x = 435,202,839,838.56/745,396.07 - Step 6: Final answer
x = 583,854.49
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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.