Finding the Fourth Proportional to 768,684.87, 1,152,909.06 and 256,358.99
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Solution
The fourth proportional to 768,684.87, 1,152,909.06 and 256,358.99 is: 384,499.04
Step by Step Solution
- Step 1: Write the proportion equation
768,684.87 : 1,152,909.06 = 256,358.99 : x - Step 2: Convert to fraction form
768,684.87/1,152,909.06 = 256,358.99/x - Step 3: Cross multiply
768,684.87x = 1,152,909.06 × 256,358.99 - Step 4: Simplify right side
768,684.87x = 295,558,596,418.90 - Step 5: Solve for x
x = 295,558,596,418.90/768,684.87 - Step 6: Final answer
x = 384,499.04
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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.