Finding the Fourth Proportional to 827,138.34, 1,240,029.52 and 294,355.98
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Solution
The fourth proportional to 827,138.34, 1,240,029.52 and 294,355.98 is: 441,292.69
Step by Step Solution
- Step 1: Write the proportion equation
827,138.34 : 1,240,029.52 = 294,355.98 : x - Step 2: Convert to fraction form
827,138.34/1,240,029.52 = 294,355.98/x - Step 3: Cross multiply
827,138.34x = 1,240,029.52 × 294,355.98 - Step 4: Simplify right side
827,138.34x = 365,010,104,588.53 - Step 5: Solve for x
x = 365,010,104,588.53/827,138.34 - Step 6: Final answer
x = 441,292.69
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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.