Finding the Fourth Proportional to 1,110,513.50, 1,664,706.09 and 469,936.05
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Solution
The fourth proportional to 1,110,513.50, 1,664,706.09 and 469,936.05 is: 704,453.75
Step by Step Solution
- Step 1: Write the proportion equation
1,110,513.50 : 1,664,706.09 = 469,936.05 : x - Step 2: Convert to fraction form
1,110,513.50/1,664,706.09 = 469,936.05/x - Step 3: Cross multiply
1,110,513.50x = 1,664,706.09 × 469,936.05 - Step 4: Simplify right side
1,110,513.50x = 782,305,400,305.72 - Step 5: Solve for x
x = 782,305,400,305.72/1,110,513.50 - Step 6: Final answer
x = 704,453.75
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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.