Finding the Fourth Proportional to 698,745.22, 1,048,339.36 and 249,456.44
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Solution
The fourth proportional to 698,745.22, 1,048,339.36 and 249,456.44 is: 374,263.75
Step by Step Solution
- Step 1: Write the proportion equation
698,745.22 : 1,048,339.36 = 249,456.44 : x - Step 2: Convert to fraction form
698,745.22/1,048,339.36 = 249,456.44/x - Step 3: Cross multiply
698,745.22x = 1,048,339.36 × 249,456.44 - Step 4: Simplify right side
698,745.22x = 261,515,004,657.48 - Step 5: Solve for x
x = 261,515,004,657.48/698,745.22 - Step 6: Final answer
x = 374,263.75
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1.5x scale
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.