Finding the Fourth Proportional to 746,178.88, 1,119,378.48 and 266,369.44
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Solution
The fourth proportional to 746,178.88, 1,119,378.48 and 266,369.44 is: 399,593.48
Step by Step Solution
- Step 1: Write the proportion equation
746,178.88 : 1,119,378.48 = 266,369.44 : x - Step 2: Convert to fraction form
746,178.88/1,119,378.48 = 266,369.44/x - Step 3: Cross multiply
746,178.88x = 1,119,378.48 × 266,369.44 - Step 4: Simplify right side
746,178.88x = 298,168,218,865.65 - Step 5: Solve for x
x = 298,168,218,865.65/746,178.88 - Step 6: Final answer
x = 399,593.48
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1.5x scale
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.