Finding the Fourth Proportional to 495,777.96, 743,640.84 and 290,726.64
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Solution
The fourth proportional to 495,777.96, 743,640.84 and 290,726.64 is: 436,074.65
Step by Step Solution
- Step 1: Write the proportion equation
495,777.96 : 743,640.84 = 290,726.64 : x - Step 2: Convert to fraction form
495,777.96/743,640.84 = 290,726.64/x - Step 3: Cross multiply
495,777.96x = 743,640.84 × 290,726.64 - Step 4: Simplify right side
495,777.96x = 216,196,202,779.98 - Step 5: Solve for x
x = 216,196,202,779.98/495,777.96 - Step 6: Final answer
x = 436,074.65
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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.