Finding the Fourth Proportional to 1,385,683.29, 2,078,298.49 and 486,914.68
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Solution
The fourth proportional to 1,385,683.29, 2,078,298.49 and 486,914.68 is: 730,292.45
Step by Step Solution
- Step 1: Write the proportion equation
1,385,683.29 : 2,078,298.49 = 486,914.68 : x - Step 2: Convert to fraction form
1,385,683.29/2,078,298.49 = 486,914.68/x - Step 3: Cross multiply
1,385,683.29x = 2,078,298.49 × 486,914.68 - Step 4: Simplify right side
1,385,683.29x = 1,011,954,044,202.83 - Step 5: Solve for x
x = 1,011,954,044,202.83/1,385,683.29 - Step 6: Final answer
x = 730,292.45
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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.