Finding the Fourth Proportional to 827,467.80, 1,241,201.70 and 512,539.80
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Solution
The fourth proportional to 827,467.80, 1,241,201.70 and 512,539.80 is: 768,809.70
Step by Step Solution
- Step 1: Write the proportion equation
827,467.80 : 1,241,201.70 = 512,539.80 : x - Step 2: Convert to fraction form
827,467.80/1,241,201.70 = 512,539.80/x - Step 3: Cross multiply
827,467.80x = 1,241,201.70 × 512,539.80 - Step 4: Simplify right side
827,467.80x = 636,165,271,077.66 - Step 5: Solve for x
x = 636,165,271,077.66/827,467.80 - Step 6: Final answer
x = 768,809.70
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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.