Finding the Fourth Proportional to 809,794.20, 1,214,720.10 and 248,827.80
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Solution
The fourth proportional to 809,794.20, 1,214,720.10 and 248,827.80 is: 373,250.55
Step by Step Solution
- Step 1: Write the proportion equation
809,794.20 : 1,214,720.10 = 248,827.80 : x - Step 2: Convert to fraction form
809,794.20/1,214,720.10 = 248,827.80/x - Step 3: Cross multiply
809,794.20x = 1,214,720.10 × 248,827.80 - Step 4: Simplify right side
809,794.20x = 302,256,130,098.78 - Step 5: Solve for x
x = 302,256,130,098.78/809,794.20 - Step 6: Final answer
x = 373,250.55
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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.