Finding the Fourth Proportional to 876,797.63, 1,209,980.73 and 474,389.63
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Solution
The fourth proportional to 876,797.63, 1,209,980.73 and 474,389.63 is: 654,657.69
Step by Step Solution
- Step 1: Write the proportion equation
876,797.63 : 1,209,980.73 = 474,389.63 : x - Step 2: Convert to fraction form
876,797.63/1,209,980.73 = 474,389.63/x - Step 3: Cross multiply
876,797.63x = 1,209,980.73 × 474,389.63 - Step 4: Simplify right side
876,797.63x = 574,002,304,761.93 - Step 5: Solve for x
x = 574,002,304,761.93/876,797.63 - Step 6: Final answer
x = 654,657.69
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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.