Finding the Fourth Proportional to 501,259.98, 691,775.37 and 286,395.44
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Solution
The fourth proportional to 501,259.98, 691,775.37 and 286,395.44 is: 395,246.62
Step by Step Solution
- Step 1: Write the proportion equation
501,259.98 : 691,775.37 = 286,395.44 : x - Step 2: Convert to fraction form
501,259.98/691,775.37 = 286,395.44/x - Step 3: Cross multiply
501,259.98x = 691,775.37 × 286,395.44 - Step 4: Simplify right side
501,259.98x = 198,121,311,472.31 - Step 5: Solve for x
x = 198,121,311,472.31/501,259.98 - Step 6: Final answer
x = 395,246.62
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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.