Finding the Fourth Proportional to 748,405.75, 1,032,800.95 and 426,115.99
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Solution
The fourth proportional to 748,405.75, 1,032,800.95 and 426,115.99 is: 588,040.65
Step by Step Solution
- Step 1: Write the proportion equation
748,405.75 : 1,032,800.95 = 426,115.99 : x - Step 2: Convert to fraction form
748,405.75/1,032,800.95 = 426,115.99/x - Step 3: Cross multiply
748,405.75x = 1,032,800.95 × 426,115.99 - Step 4: Simplify right side
748,405.75x = 440,093,002,304.29 - Step 5: Solve for x
x = 440,093,002,304.29/748,405.75 - Step 6: Final answer
x = 588,040.65
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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.