Finding the Fourth Proportional to 665,135.36, 917,231.04 and 410,432.48
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Solution
The fourth proportional to 665,135.36, 917,231.04 and 410,432.48 is: 565,992.18
Step by Step Solution
- Step 1: Write the proportion equation
665,135.36 : 917,231.04 = 410,432.48 : x - Step 2: Convert to fraction form
665,135.36/917,231.04 = 410,432.48/x - Step 3: Cross multiply
665,135.36x = 917,231.04 × 410,432.48 - Step 4: Simplify right side
665,135.36x = 376,461,410,480.18 - Step 5: Solve for x
x = 376,461,410,480.18/665,135.36 - Step 6: Final answer
x = 565,992.18
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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.