Finding the Fourth Proportional to 409,829.70, 614,744.55 and 409,829.70
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Solution
The fourth proportional to 409,829.70, 614,744.55 and 409,829.70 is: 614,744.55
Step by Step Solution
- Step 1: Write the proportion equation
409,829.70 : 614,744.55 = 409,829.70 : x - Step 2: Convert to fraction form
409,829.70/614,744.55 = 409,829.70/x - Step 3: Cross multiply
409,829.70x = 614,744.55 × 409,829.70 - Step 4: Simplify right side
409,829.70x = 251,940,574,503.14 - Step 5: Solve for x
x = 251,940,574,503.14/409,829.70 - Step 6: Final answer
x = 614,744.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.