Finding the Fourth Proportional to 535,840.92, 739,419.84 and 294,085.08
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Solution
The fourth proportional to 535,840.92, 739,419.84 and 294,085.08 is: 405,815.11
Step by Step Solution
- Step 1: Write the proportion equation
535,840.92 : 739,419.84 = 294,085.08 : x - Step 2: Convert to fraction form
535,840.92/739,419.84 = 294,085.08/x - Step 3: Cross multiply
535,840.92x = 739,419.84 × 294,085.08 - Step 4: Simplify right side
535,840.92x = 217,452,342,799.99 - Step 5: Solve for x
x = 217,452,342,799.99/535,840.92 - Step 6: Final answer
x = 405,815.11
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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.