Finding the Fourth Proportional to 823,024.28, 1,135,765.14 and 455,502.14
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Solution
The fourth proportional to 823,024.28, 1,135,765.14 and 455,502.14 is: 628,588.32
Step by Step Solution
- Step 1: Write the proportion equation
823,024.28 : 1,135,765.14 = 455,502.14 : x - Step 2: Convert to fraction form
823,024.28/1,135,765.14 = 455,502.14/x - Step 3: Cross multiply
823,024.28x = 1,135,765.14 × 455,502.14 - Step 4: Simplify right side
823,024.28x = 517,343,451,807.40 - Step 5: Solve for x
x = 517,343,451,807.40/823,024.28 - Step 6: Final answer
x = 628,588.32
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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.