Finding the Fourth Proportional to 745,204.84, 1,028,382.84 and 405,673
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Solution
The fourth proportional to 745,204.84, 1,028,382.84 and 405,673 is: 559,828.83
Step by Step Solution
- Step 1: Write the proportion equation
745,204.84 : 1,028,382.84 = 405,673 : x - Step 2: Convert to fraction form
745,204.84/1,028,382.84 = 405,673/x - Step 3: Cross multiply
745,204.84x = 1,028,382.84 × 405,673 - Step 4: Simplify right side
745,204.84x = 417,187,151,851.32 - Step 5: Solve for x
x = 417,187,151,851.32/745,204.84 - Step 6: Final answer
x = 559,828.83
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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.