Finding the Fourth Proportional to 734,819.55, 1,013,981.00 and 412,455.75
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Solution
The fourth proportional to 734,819.55, 1,013,981.00 and 412,455.75 is: 569,149.65
Step by Step Solution
- Step 1: Write the proportion equation
734,819.55 : 1,013,981.00 = 412,455.75 : x - Step 2: Convert to fraction form
734,819.55/1,013,981.00 = 412,455.75/x - Step 3: Cross multiply
734,819.55x = 1,013,981.00 × 412,455.75 - Step 4: Simplify right side
734,819.55x = 418,222,291,778.47 - Step 5: Solve for x
x = 418,222,291,778.47/734,819.55 - Step 6: Final answer
x = 569,149.65
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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.