Finding the Fourth Proportional to 873,706.88, 1,310,649.74 and 334,416.26
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Solution
The fourth proportional to 873,706.88, 1,310,649.74 and 334,416.26 is: 501,658.61
Step by Step Solution
- Step 1: Write the proportion equation
873,706.88 : 1,310,649.74 = 334,416.26 : x - Step 2: Convert to fraction form
873,706.88/1,310,649.74 = 334,416.26/x - Step 3: Cross multiply
873,706.88x = 1,310,649.74 × 334,416.26 - Step 4: Simplify right side
873,706.88x = 438,302,580,609.54 - Step 5: Solve for x
x = 438,302,580,609.54/873,706.88 - Step 6: Final answer
x = 501,658.61
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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.