Finding the Fourth Proportional to 556,936.19, 768,572.57 and 302,287.31
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Solution
The fourth proportional to 556,936.19, 768,572.57 and 302,287.31 is: 417,156.83
Step by Step Solution
- Step 1: Write the proportion equation
556,936.19 : 768,572.57 = 302,287.31 : x - Step 2: Convert to fraction form
556,936.19/768,572.57 = 302,287.31/x - Step 3: Cross multiply
556,936.19x = 768,572.57 × 302,287.31 - Step 4: Simplify right side
556,936.19x = 232,329,733,213.65 - Step 5: Solve for x
x = 232,329,733,213.65/556,936.19 - Step 6: Final answer
x = 417,156.83
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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.