Finding the Fourth Proportional to 556,809.66, 768,399.39 and 302,160.78
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Solution
The fourth proportional to 556,809.66, 768,399.39 and 302,160.78 is: 416,982.99
Step by Step Solution
- Step 1: Write the proportion equation
556,809.66 : 768,399.39 = 302,160.78 : x - Step 2: Convert to fraction form
556,809.66/768,399.39 = 302,160.78/x - Step 3: Cross multiply
556,809.66x = 768,399.39 × 302,160.78 - Step 4: Simplify right side
556,809.66x = 232,180,159,033.92 - Step 5: Solve for x
x = 232,180,159,033.92/556,809.66 - Step 6: Final answer
x = 416,982.99
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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.