Finding the Fourth Proportional to 1,395,399, 2,093,410.50 and 508,935
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Solution
The fourth proportional to 1,395,399, 2,093,410.50 and 508,935 is: 763,516.29
Step by Step Solution
- Step 1: Write the proportion equation
1,395,399 : 2,093,410.50 = 508,935 : x - Step 2: Convert to fraction form
1,395,399/2,093,410.50 = 508,935/x - Step 3: Cross multiply
1,395,399x = 2,093,410.50 × 508,935 - Step 4: Simplify right side
1,395,399x = 1,065,409,872,817.50 - Step 5: Solve for x
x = 1,065,409,872,817.50/1,395,399 - Step 6: Final answer
x = 763,516.29
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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.