Finding the Fourth Proportional to 535,911.72, 739,511.52 and 294,193.98
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Solution
The fourth proportional to 535,911.72, 739,511.52 and 294,193.98 is: 405,962.08
Step by Step Solution
- Step 1: Write the proportion equation
535,911.72 : 739,511.52 = 294,193.98 : x - Step 2: Convert to fraction form
535,911.72/739,511.52 = 294,193.98/x - Step 3: Cross multiply
535,911.72x = 739,511.52 × 294,193.98 - Step 4: Simplify right side
535,911.72x = 217,559,837,324.65 - Step 5: Solve for x
x = 217,559,837,324.65/535,911.72 - Step 6: Final answer
x = 405,962.08
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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.