Finding the Fourth Proportional to 1,165,125.25, 1,747,709.75 and 323,698.87
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Solution
The fourth proportional to 1,165,125.25, 1,747,709.75 and 323,698.87 is: 485,554.38
Step by Step Solution
- Step 1: Write the proportion equation
1,165,125.25 : 1,747,709.75 = 323,698.87 : x - Step 2: Convert to fraction form
1,165,125.25/1,747,709.75 = 323,698.87/x - Step 3: Cross multiply
1,165,125.25x = 1,747,709.75 × 323,698.87 - Step 4: Simplify right side
1,165,125.25x = 565,731,671,162.98 - Step 5: Solve for x
x = 565,731,671,162.98/1,165,125.25 - Step 6: Final answer
x = 485,554.38
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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.