Finding the Fourth Proportional to 876,230.70, 1,314,346.05 and 403,838.70
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Solution
The fourth proportional to 876,230.70, 1,314,346.05 and 403,838.70 is: 605,758.05
Step by Step Solution
- Step 1: Write the proportion equation
876,230.70 : 1,314,346.05 = 403,838.70 : x - Step 2: Convert to fraction form
876,230.70/1,314,346.05 = 403,838.70/x - Step 3: Cross multiply
876,230.70x = 1,314,346.05 × 403,838.70 - Step 4: Simplify right side
876,230.70x = 530,783,800,182.14 - Step 5: Solve for x
x = 530,783,800,182.14/876,230.70 - Step 6: Final answer
x = 605,758.05
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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.