Finding the Fourth Proportional to 751,401.84, 1,037,091.24 and 690,876.84
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Solution
The fourth proportional to 751,401.84, 1,037,091.24 and 690,876.84 is: 953,554.12
Step by Step Solution
- Step 1: Write the proportion equation
751,401.84 : 1,037,091.24 = 690,876.84 : x - Step 2: Convert to fraction form
751,401.84/1,037,091.24 = 690,876.84/x - Step 3: Cross multiply
751,401.84x = 1,037,091.24 × 690,876.84 - Step 4: Simplify right side
751,401.84x = 716,502,318,682.88 - Step 5: Solve for x
x = 716,502,318,682.88/751,401.84 - Step 6: Final answer
x = 953,554.12
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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.