Finding the Fourth Proportional to 789,051.81, 1,183,153.28 and 409,030.49
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Solution
The fourth proportional to 789,051.81, 1,183,153.28 and 409,030.49 is: 613,325.71
Step by Step Solution
- Step 1: Write the proportion equation
789,051.81 : 1,183,153.28 = 409,030.49 : x - Step 2: Convert to fraction form
789,051.81/1,183,153.28 = 409,030.49/x - Step 3: Cross multiply
789,051.81x = 1,183,153.28 × 409,030.49 - Step 4: Simplify right side
789,051.81x = 483,945,766,776.24 - Step 5: Solve for x
x = 483,945,766,776.24/789,051.81 - Step 6: Final answer
x = 613,325.71
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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.