Finding the Fourth Proportional to 786,805.52, 1,175,729.14 and 590,780.80
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Solution
The fourth proportional to 786,805.52, 1,175,729.14 and 590,780.80 is: 882,807.99
Step by Step Solution
- Step 1: Write the proportion equation
786,805.52 : 1,175,729.14 = 590,780.80 : x - Step 2: Convert to fraction form
786,805.52/1,175,729.14 = 590,780.80/x - Step 3: Cross multiply
786,805.52x = 1,175,729.14 × 590,780.80 - Step 4: Simplify right side
786,805.52x = 694,598,201,912.51 - Step 5: Solve for x
x = 694,598,201,912.51/786,805.52 - Step 6: Final answer
x = 882,807.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.