Finding the Fourth Proportional to 853,750.36, 1,280,698.26 and 254,672.92
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Solution
The fourth proportional to 853,750.36, 1,280,698.26 and 254,672.92 is: 382,031.07
Step by Step Solution
- Step 1: Write the proportion equation
853,750.36 : 1,280,698.26 = 254,672.92 : x - Step 2: Convert to fraction form
853,750.36/1,280,698.26 = 254,672.92/x - Step 3: Cross multiply
853,750.36x = 1,280,698.26 × 254,672.92 - Step 4: Simplify right side
853,750.36x = 326,159,165,513.12 - Step 5: Solve for x
x = 326,159,165,513.12/853,750.36 - Step 6: Final answer
x = 382,031.07
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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.