Finding the Fourth Proportional to 948,421.92, 1,422,631.26 and 442,813.44
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Solution
The fourth proportional to 948,421.92, 1,422,631.26 and 442,813.44 is: 664,219.40
Step by Step Solution
- Step 1: Write the proportion equation
948,421.92 : 1,422,631.26 = 442,813.44 : x - Step 2: Convert to fraction form
948,421.92/1,422,631.26 = 442,813.44/x - Step 3: Cross multiply
948,421.92x = 1,422,631.26 × 442,813.44 - Step 4: Simplify right side
948,421.92x = 629,960,242,092.13 - Step 5: Solve for x
x = 629,960,242,092.13/948,421.92 - Step 6: Final answer
x = 664,219.40
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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.