Finding the Fourth Proportional to 872,394.44, 1,203,812.51 and 485,147.12
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Solution
The fourth proportional to 872,394.44, 1,203,812.51 and 485,147.12 is: 669,451.96
Step by Step Solution
- Step 1: Write the proportion equation
872,394.44 : 1,203,812.51 = 485,147.12 : x - Step 2: Convert to fraction form
872,394.44/1,203,812.51 = 485,147.12/x - Step 3: Cross multiply
872,394.44x = 1,203,812.51 × 485,147.12 - Step 4: Simplify right side
872,394.44x = 584,026,163,801.67 - Step 5: Solve for x
x = 584,026,163,801.67/872,394.44 - Step 6: Final answer
x = 669,451.96
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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.