Finding the Fourth Proportional to 1,080,782.08, 1,621,349.30 and 332,828.08
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Solution
The fourth proportional to 1,080,782.08, 1,621,349.30 and 332,828.08 is: 499,296.37
Step by Step Solution
- Step 1: Write the proportion equation
1,080,782.08 : 1,621,349.30 = 332,828.08 : x - Step 2: Convert to fraction form
1,080,782.08/1,621,349.30 = 332,828.08/x - Step 3: Cross multiply
1,080,782.08x = 1,621,349.30 × 332,828.08 - Step 4: Simplify right side
1,080,782.08x = 539,630,574,528.34 - Step 5: Solve for x
x = 539,630,574,528.34/1,080,782.08 - Step 6: Final answer
x = 499,296.37
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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.