Finding the Fourth Proportional to 702,135.24, 968,944.48 and 379,845.26
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Solution
The fourth proportional to 702,135.24, 968,944.48 and 379,845.26 is: 524,185.30
Step by Step Solution
- Step 1: Write the proportion equation
702,135.24 : 968,944.48 = 379,845.26 : x - Step 2: Convert to fraction form
702,135.24/968,944.48 = 379,845.26/x - Step 3: Cross multiply
702,135.24x = 968,944.48 × 379,845.26 - Step 4: Simplify right side
702,135.24x = 368,048,967,931.17 - Step 5: Solve for x
x = 368,048,967,931.17/702,135.24 - Step 6: Final answer
x = 524,185.30
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1.5x scale
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.