Finding the Fourth Proportional to 876,076.68, 1,209,244.36 and 513,579
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Solution
The fourth proportional to 876,076.68, 1,209,244.36 and 513,579 is: 708,890.58
Step by Step Solution
- Step 1: Write the proportion equation
876,076.68 : 1,209,244.36 = 513,579 : x - Step 2: Convert to fraction form
876,076.68/1,209,244.36 = 513,579/x - Step 3: Cross multiply
876,076.68x = 1,209,244.36 × 513,579 - Step 4: Simplify right side
876,076.68x = 621,042,509,164.44 - Step 5: Solve for x
x = 621,042,509,164.44/876,076.68 - Step 6: Final answer
x = 708,890.58
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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.