Finding the Fourth Proportional to 957,355.08, 1,321,201.98 and 549,453.66
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Solution
The fourth proportional to 957,355.08, 1,321,201.98 and 549,453.66 is: 758,275.88
Step by Step Solution
- Step 1: Write the proportion equation
957,355.08 : 1,321,201.98 = 549,453.66 : x - Step 2: Convert to fraction form
957,355.08/1,321,201.98 = 549,453.66/x - Step 3: Cross multiply
957,355.08x = 1,321,201.98 × 549,453.66 - Step 4: Simplify right side
957,355.08x = 725,939,263,510.25 - Step 5: Solve for x
x = 725,939,263,510.25/957,355.08 - Step 6: Final answer
x = 758,275.88
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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.