Finding the Fourth Proportional to 823,844.76, 1,137,025.11 and 461,291.97
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Solution
The fourth proportional to 823,844.76, 1,137,025.11 and 461,291.97 is: 636,649.74
Step by Step Solution
- Step 1: Write the proportion equation
823,844.76 : 1,137,025.11 = 461,291.97 : x - Step 2: Convert to fraction form
823,844.76/1,137,025.11 = 461,291.97/x - Step 3: Cross multiply
823,844.76x = 1,137,025.11 × 461,291.97 - Step 4: Simplify right side
823,844.76x = 524,500,552,931.37 - Step 5: Solve for x
x = 524,500,552,931.37/823,844.76 - Step 6: Final answer
x = 636,649.74
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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.