Finding the Fourth Proportional to 556,931.08, 768,544.30 and 302,276.80
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Solution
The fourth proportional to 556,931.08, 768,544.30 and 302,276.80 is: 417,130.81
Step by Step Solution
- Step 1: Write the proportion equation
556,931.08 : 768,544.30 = 302,276.80 : x - Step 2: Convert to fraction form
556,931.08/768,544.30 = 302,276.80/x - Step 3: Cross multiply
556,931.08x = 768,544.30 × 302,276.80 - Step 4: Simplify right side
556,931.08x = 232,313,111,662.24 - Step 5: Solve for x
x = 232,313,111,662.24/556,931.08 - Step 6: Final answer
x = 417,130.81
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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.