Finding the Fourth Proportional to 556,934.93, 768,571.08 and 302,286.23
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Solution
The fourth proportional to 556,934.93, 768,571.08 and 302,286.23 is: 417,155.47
Step by Step Solution
- Step 1: Write the proportion equation
556,934.93 : 768,571.08 = 302,286.23 : x - Step 2: Convert to fraction form
556,934.93/768,571.08 = 302,286.23/x - Step 3: Cross multiply
556,934.93x = 768,571.08 × 302,286.23 - Step 4: Simplify right side
556,934.93x = 232,328,454,260.23 - Step 5: Solve for x
x = 232,328,454,260.23/556,934.93 - Step 6: Final answer
x = 417,155.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.