Finding the Fourth Proportional to 891,808.21, 1,231,717.49 and 587,246.19
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Solution
The fourth proportional to 891,808.21, 1,231,717.49 and 587,246.19 is: 811,072.82
Step by Step Solution
- Step 1: Write the proportion equation
891,808.21 : 1,231,717.49 = 587,246.19 : x - Step 2: Convert to fraction form
891,808.21/1,231,717.49 = 587,246.19/x - Step 3: Cross multiply
891,808.21x = 1,231,717.49 × 587,246.19 - Step 4: Simplify right side
891,808.21x = 723,321,403,158.86 - Step 5: Solve for x
x = 723,321,403,158.86/891,808.21 - Step 6: Final answer
x = 811,072.82
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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.