Finding the Fourth Proportional to 771,650.84, 1,064,524.32 and 499,806.12
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Solution
The fourth proportional to 771,650.84, 1,064,524.32 and 499,806.12 is: 689,503.26
Step by Step Solution
- Step 1: Write the proportion equation
771,650.84 : 1,064,524.32 = 499,806.12 : x - Step 2: Convert to fraction form
771,650.84/1,064,524.32 = 499,806.12/x - Step 3: Cross multiply
771,650.84x = 1,064,524.32 × 499,806.12 - Step 4: Simplify right side
771,650.84x = 532,055,770,024.84 - Step 5: Solve for x
x = 532,055,770,024.84/771,650.84 - Step 6: Final answer
x = 689,503.26
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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.