Finding the Fourth Proportional to 638,567.20, 957,850.80 and 524,405.80
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Solution
The fourth proportional to 638,567.20, 957,850.80 and 524,405.80 is: 786,608.70
Step by Step Solution
- Step 1: Write the proportion equation
638,567.20 : 957,850.80 = 524,405.80 : x - Step 2: Convert to fraction form
638,567.20/957,850.80 = 524,405.80/x - Step 3: Cross multiply
638,567.20x = 957,850.80 × 524,405.80 - Step 4: Simplify right side
638,567.20x = 502,302,515,054.64 - Step 5: Solve for x
x = 502,302,515,054.64/638,567.20 - Step 6: Final answer
x = 786,608.70
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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.