Finding the Fourth Proportional to 652,326.88, 899,377.76 and 422,478.08
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Solution
The fourth proportional to 652,326.88, 899,377.76 and 422,478.08 is: 582,480.04
Step by Step Solution
- Step 1: Write the proportion equation
652,326.88 : 899,377.76 = 422,478.08 : x - Step 2: Convert to fraction form
652,326.88/899,377.76 = 422,478.08/x - Step 3: Cross multiply
652,326.88x = 899,377.76 × 422,478.08 - Step 4: Simplify right side
652,326.88x = 379,967,389,239.50 - Step 5: Solve for x
x = 379,967,389,239.50/652,326.88 - Step 6: Final answer
x = 582,480.04
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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.