Finding the Fourth Proportional to 745,583.98, 1,028,935.02 and 423,324.10
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Solution
The fourth proportional to 745,583.98, 1,028,935.02 and 423,324.10 is: 584,203.80
Step by Step Solution
- Step 1: Write the proportion equation
745,583.98 : 1,028,935.02 = 423,324.10 : x - Step 2: Convert to fraction form
745,583.98/1,028,935.02 = 423,324.10/x - Step 3: Cross multiply
745,583.98x = 1,028,935.02 × 423,324.10 - Step 4: Simplify right side
745,583.98x = 435,572,991,299.98 - Step 5: Solve for x
x = 435,572,991,299.98/745,583.98 - Step 6: Final answer
x = 584,203.80
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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.