Finding the Fourth Proportional to 536,394.80, 805,110.60 and 326,442.80
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Solution
The fourth proportional to 536,394.80, 805,110.60 and 326,442.80 is: 489,979.69
Step by Step Solution
- Step 1: Write the proportion equation
536,394.80 : 805,110.60 = 326,442.80 : x - Step 2: Convert to fraction form
536,394.80/805,110.60 = 326,442.80/x - Step 3: Cross multiply
536,394.80x = 805,110.60 × 326,442.80 - Step 4: Simplify right side
536,394.80x = 262,822,558,573.68 - Step 5: Solve for x
x = 262,822,558,573.68/536,394.80 - Step 6: Final answer
x = 489,979.69
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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.