Finding the Fourth Proportional to 825,374.22, 1,138,532.76 and 518,964.99
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Solution
The fourth proportional to 825,374.22, 1,138,532.76 and 518,964.99 is: 715,867.58
Step by Step Solution
- Step 1: Write the proportion equation
825,374.22 : 1,138,532.76 = 518,964.99 : x - Step 2: Convert to fraction form
825,374.22/1,138,532.76 = 518,964.99/x - Step 3: Cross multiply
825,374.22x = 1,138,532.76 × 518,964.99 - Step 4: Simplify right side
825,374.22x = 590,858,642,408.07 - Step 5: Solve for x
x = 590,858,642,408.07/825,374.22 - Step 6: Final answer
x = 715,867.58
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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.