Finding the Fourth Proportional to 813,295.98, 1,122,350.76 and 450,725.64
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Solution
The fourth proportional to 813,295.98, 1,122,350.76 and 450,725.64 is: 622,002.66
Step by Step Solution
- Step 1: Write the proportion equation
813,295.98 : 1,122,350.76 = 450,725.64 : x - Step 2: Convert to fraction form
813,295.98/1,122,350.76 = 450,725.64/x - Step 3: Cross multiply
813,295.98x = 1,122,350.76 × 450,725.64 - Step 4: Simplify right side
813,295.98x = 505,872,264,605.49 - Step 5: Solve for x
x = 505,872,264,605.49/813,295.98 - Step 6: Final answer
x = 622,002.66
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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.