Finding the Fourth Proportional to 747,535.18, 1,031,569.68 and 408,003.44
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Solution
The fourth proportional to 747,535.18, 1,031,569.68 and 408,003.44 is: 563,028.99
Step by Step Solution
- Step 1: Write the proportion equation
747,535.18 : 1,031,569.68 = 408,003.44 : x - Step 2: Convert to fraction form
747,535.18/1,031,569.68 = 408,003.44/x - Step 3: Cross multiply
747,535.18x = 1,031,569.68 × 408,003.44 - Step 4: Simplify right side
747,535.18x = 420,883,978,039.70 - Step 5: Solve for x
x = 420,883,978,039.70/747,535.18 - Step 6: Final answer
x = 563,028.99
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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.