Finding the Fourth Proportional to 719,846.38, 993,395.91 and 414,074.62
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Solution
The fourth proportional to 719,846.38, 993,395.91 and 414,074.62 is: 571,427.52
Step by Step Solution
- Step 1: Write the proportion equation
719,846.38 : 993,395.91 = 414,074.62 : x - Step 2: Convert to fraction form
719,846.38/993,395.91 = 414,074.62/x - Step 3: Cross multiply
719,846.38x = 993,395.91 × 414,074.62 - Step 4: Simplify right side
719,846.38x = 411,340,033,942.80 - Step 5: Solve for x
x = 411,340,033,942.80/719,846.38 - Step 6: Final answer
x = 571,427.52
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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.