Finding the Fourth Proportional to 1,697,913.75, 2,545,994.20 and 499,680.48
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Solution
The fourth proportional to 1,697,913.75, 2,545,994.20 and 499,680.48 is: 749,262.79
Step by Step Solution
- Step 1: Write the proportion equation
1,697,913.75 : 2,545,994.20 = 499,680.48 : x - Step 2: Convert to fraction form
1,697,913.75/2,545,994.20 = 499,680.48/x - Step 3: Cross multiply
1,697,913.75x = 2,545,994.20 × 499,680.48 - Step 4: Simplify right side
1,697,913.75x = 1,272,183,589,954.04 - Step 5: Solve for x
x = 1,272,183,589,954.04/1,697,913.75 - Step 6: Final answer
x = 749,262.79
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1.5x scale
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.