Finding the Fourth Proportional to 734,871.68, 1,101,878.49 and 285,066.95
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Solution
The fourth proportional to 734,871.68, 1,101,878.49 and 285,066.95 is: 427,433.99
Step by Step Solution
- Step 1: Write the proportion equation
734,871.68 : 1,101,878.49 = 285,066.95 : x - Step 2: Convert to fraction form
734,871.68/1,101,878.49 = 285,066.95/x - Step 3: Cross multiply
734,871.68x = 1,101,878.49 × 285,066.95 - Step 4: Simplify right side
734,871.68x = 314,109,134,371.01 - Step 5: Solve for x
x = 314,109,134,371.01/734,871.68 - Step 6: Final answer
x = 427,433.99
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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.