Finding the Fourth Proportional to 713,698.20, 1,070,491.66 and 264,207.60
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Solution
The fourth proportional to 713,698.20, 1,070,491.66 and 264,207.60 is: 396,290.80
Step by Step Solution
- Step 1: Write the proportion equation
713,698.20 : 1,070,491.66 = 264,207.60 : x - Step 2: Convert to fraction form
713,698.20/1,070,491.66 = 264,207.60/x - Step 3: Cross multiply
713,698.20x = 1,070,491.66 × 264,207.60 - Step 4: Simplify right side
713,698.20x = 282,832,032,308.62 - Step 5: Solve for x
x = 282,832,032,308.62/713,698.20 - Step 6: Final answer
x = 396,290.80
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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.