Finding the Fourth Proportional to 479,004.63, 718,506.94 and 268,658.97
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Solution
The fourth proportional to 479,004.63, 718,506.94 and 268,658.97 is: 402,988.45
Step by Step Solution
- Step 1: Write the proportion equation
479,004.63 : 718,506.94 = 268,658.97 : x - Step 2: Convert to fraction form
479,004.63/718,506.94 = 268,658.97/x - Step 3: Cross multiply
479,004.63x = 718,506.94 × 268,658.97 - Step 4: Simplify right side
479,004.63x = 193,033,334,438.25 - Step 5: Solve for x
x = 193,033,334,438.25/479,004.63 - Step 6: Final answer
x = 402,988.45
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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.