Finding the Fourth Proportional to 823,060.21, 1,135,867.20 and 460,462.42
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Solution
The fourth proportional to 823,060.21, 1,135,867.20 and 460,462.42 is: 635,462.82
Step by Step Solution
- Step 1: Write the proportion equation
823,060.21 : 1,135,867.20 = 460,462.42 : x - Step 2: Convert to fraction form
823,060.21/1,135,867.20 = 460,462.42/x - Step 3: Cross multiply
823,060.21x = 1,135,867.20 × 460,462.42 - Step 4: Simplify right side
823,060.21x = 523,024,159,710.62 - Step 5: Solve for x
x = 523,024,159,710.62/823,060.21 - Step 6: Final answer
x = 635,462.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.