Finding the Fourth Proportional to 842,814.14, 1,163,087.36 and 460,840.61
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Solution
The fourth proportional to 842,814.14, 1,163,087.36 and 460,840.61 is: 635,962.14
Step by Step Solution
- Step 1: Write the proportion equation
842,814.14 : 1,163,087.36 = 460,840.61 : x - Step 2: Convert to fraction form
842,814.14/1,163,087.36 = 460,840.61/x - Step 3: Cross multiply
842,814.14x = 1,163,087.36 × 460,840.61 - Step 4: Simplify right side
842,814.14x = 535,997,880,346.05 - Step 5: Solve for x
x = 535,997,880,346.05/842,814.14 - Step 6: Final answer
x = 635,962.14
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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.