Finding the Fourth Proportional to 827,809.80, 1,241,058.60 and 453,832.80
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Solution
The fourth proportional to 827,809.80, 1,241,058.60 and 453,832.80 is: 680,389.50
Step by Step Solution
- Step 1: Write the proportion equation
827,809.80 : 1,241,058.60 = 453,832.80 : x - Step 2: Convert to fraction form
827,809.80/1,241,058.60 = 453,832.80/x - Step 3: Cross multiply
827,809.80x = 1,241,058.60 × 453,832.80 - Step 4: Simplify right side
827,809.80x = 563,233,099,402.08 - Step 5: Solve for x
x = 563,233,099,402.08/827,809.80 - Step 6: Final answer
x = 680,389.50
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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.