Finding the Fourth Proportional to 929,442.80, 1,394,135.40 and 264,594.80
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Solution
The fourth proportional to 929,442.80, 1,394,135.40 and 264,594.80 is: 396,884.00
Step by Step Solution
- Step 1: Write the proportion equation
929,442.80 : 1,394,135.40 = 264,594.80 : x - Step 2: Convert to fraction form
929,442.80/1,394,135.40 = 264,594.80/x - Step 3: Cross multiply
929,442.80x = 1,394,135.40 × 264,594.80 - Step 4: Simplify right side
929,442.80x = 368,880,977,335.92 - Step 5: Solve for x
x = 368,880,977,335.92/929,442.80 - Step 6: Final answer
x = 396,884.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.