Finding the Fourth Proportional to 1,080,784.08, 1,621,352.30 and 332,830.08
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Solution
The fourth proportional to 1,080,784.08, 1,621,352.30 and 332,830.08 is: 499,299.38
Step by Step Solution
- Step 1: Write the proportion equation
1,080,784.08 : 1,621,352.30 = 332,830.08 : x - Step 2: Convert to fraction form
1,080,784.08/1,621,352.30 = 332,830.08/x - Step 3: Cross multiply
1,080,784.08x = 1,621,352.30 × 332,830.08 - Step 4: Simplify right side
1,080,784.08x = 539,634,815,717.18 - Step 5: Solve for x
x = 539,634,815,717.18/1,080,784.08 - Step 6: Final answer
x = 499,299.38
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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.