Finding the Fourth Proportional to 745,583.23, 1,028,933.99 and 423,323.31
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Solution
The fourth proportional to 745,583.23, 1,028,933.99 and 423,323.31 is: 584,202.71
Step by Step Solution
- Step 1: Write the proportion equation
745,583.23 : 1,028,933.99 = 423,323.31 : x - Step 2: Convert to fraction form
745,583.23/1,028,933.99 = 423,323.31/x - Step 3: Cross multiply
745,583.23x = 1,028,933.99 × 423,323.31 - Step 4: Simplify right side
745,583.23x = 435,571,742,418.31 - Step 5: Solve for x
x = 435,571,742,418.31/745,583.23 - Step 6: Final answer
x = 584,202.71
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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.