Finding the Fourth Proportional to 768,331.80, 1,152,497.70 and 368,766.90
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Solution
The fourth proportional to 768,331.80, 1,152,497.70 and 368,766.90 is: 553,150.35
Step by Step Solution
- Step 1: Write the proportion equation
768,331.80 : 1,152,497.70 = 368,766.90 : x - Step 2: Convert to fraction form
768,331.80/1,152,497.70 = 368,766.90/x - Step 3: Cross multiply
768,331.80x = 1,152,497.70 × 368,766.90 - Step 4: Simplify right side
768,331.80x = 425,003,004,086.13 - Step 5: Solve for x
x = 425,003,004,086.13/768,331.80 - Step 6: Final answer
x = 553,150.35
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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.