Finding the Fourth Proportional to 843,126.85, 1,163,542.59 and 461,153.63
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Solution
The fourth proportional to 843,126.85, 1,163,542.59 and 461,153.63 is: 636,407.07
Step by Step Solution
- Step 1: Write the proportion equation
843,126.85 : 1,163,542.59 = 461,153.63 : x - Step 2: Convert to fraction form
843,126.85/1,163,542.59 = 461,153.63/x - Step 3: Cross multiply
843,126.85x = 1,163,542.59 × 461,153.63 - Step 4: Simplify right side
843,126.85x = 536,571,889,038.10 - Step 5: Solve for x
x = 536,571,889,038.10/843,126.85 - Step 6: Final answer
x = 636,407.07
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1.5x scale
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.