Finding the Fourth Proportional to 748,298.14, 1,032,674.11 and 408,788.26
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Solution
The fourth proportional to 748,298.14, 1,032,674.11 and 408,788.26 is: 564,140.19
Step by Step Solution
- Step 1: Write the proportion equation
748,298.14 : 1,032,674.11 = 408,788.26 : x - Step 2: Convert to fraction form
748,298.14/1,032,674.11 = 408,788.26/x - Step 3: Cross multiply
748,298.14x = 1,032,674.11 × 408,788.26 - Step 4: Simplify right side
748,298.14x = 422,145,052,573.95 - Step 5: Solve for x
x = 422,145,052,573.95/748,298.14 - Step 6: Final answer
x = 564,140.19
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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.