Finding the Fourth Proportional to 890,662.13, 1,229,245.05 and 564,004.95
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Solution
The fourth proportional to 890,662.13, 1,229,245.05 and 564,004.95 is: 778,409.99
Step by Step Solution
- Step 1: Write the proportion equation
890,662.13 : 1,229,245.05 = 564,004.95 : x - Step 2: Convert to fraction form
890,662.13/1,229,245.05 = 564,004.95/x - Step 3: Cross multiply
890,662.13x = 1,229,245.05 × 564,004.95 - Step 4: Simplify right side
890,662.13x = 693,300,292,963.00 - Step 5: Solve for x
x = 693,300,292,963.00/890,662.13 - Step 6: Final answer
x = 778,409.99
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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.