Finding the Fourth Proportional to 694,177.12, 1,041,396 and 315,124.44
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Solution
The fourth proportional to 694,177.12, 1,041,396 and 315,124.44 is: 472,745.82
Step by Step Solution
- Step 1: Write the proportion equation
694,177.12 : 1,041,396 = 315,124.44 : x - Step 2: Convert to fraction form
694,177.12/1,041,396 = 315,124.44/x - Step 3: Cross multiply
694,177.12x = 1,041,396 × 315,124.44 - Step 4: Simplify right side
694,177.12x = 328,169,331,318.24 - Step 5: Solve for x
x = 328,169,331,318.24/694,177.12 - Step 6: Final answer
x = 472,745.82
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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.