Finding the Fourth Proportional to 822,368.21, 1,232,277.75 and 570,139.07
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Solution
The fourth proportional to 822,368.21, 1,232,277.75 and 570,139.07 is: 854,324.96
Step by Step Solution
- Step 1: Write the proportion equation
822,368.21 : 1,232,277.75 = 570,139.07 : x - Step 2: Convert to fraction form
822,368.21/1,232,277.75 = 570,139.07/x - Step 3: Cross multiply
822,368.21x = 1,232,277.75 × 570,139.07 - Step 4: Simplify right side
822,368.21x = 702,569,684,205.30 - Step 5: Solve for x
x = 702,569,684,205.30/822,368.21 - Step 6: Final answer
x = 854,324.96
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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.