Finding the Fourth Proportional to 535,678.99, 739,246.07 and 293,984.05
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Solution
The fourth proportional to 535,678.99, 739,246.07 and 293,984.05 is: 405,702.97
Step by Step Solution
- Step 1: Write the proportion equation
535,678.99 : 739,246.07 = 293,984.05 : x - Step 2: Convert to fraction form
535,678.99/739,246.07 = 293,984.05/x - Step 3: Cross multiply
535,678.99x = 739,246.07 × 293,984.05 - Step 4: Simplify right side
535,678.99x = 217,326,553,878.12 - Step 5: Solve for x
x = 217,326,553,878.12/535,678.99 - Step 6: Final answer
x = 405,702.97
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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.