Finding the Fourth Proportional to 665,983.67, 925,256.70 and 658,012.05
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Solution
The fourth proportional to 665,983.67, 925,256.70 and 658,012.05 is: 914,181.67
Step by Step Solution
- Step 1: Write the proportion equation
665,983.67 : 925,256.70 = 658,012.05 : x - Step 2: Convert to fraction form
665,983.67/925,256.70 = 658,012.05/x - Step 3: Cross multiply
665,983.67x = 925,256.70 × 658,012.05 - Step 4: Simplify right side
665,983.67x = 608,830,057,943.24 - Step 5: Solve for x
x = 608,830,057,943.24/665,983.67 - Step 6: Final answer
x = 914,181.67
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.