Finding the Fourth Proportional to 746,074.18, 1,119,388.36 and 518,249.75
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Solution
The fourth proportional to 746,074.18, 1,119,388.36 and 518,249.75 is: 777,567.11
Step by Step Solution
- Step 1: Write the proportion equation
746,074.18 : 1,119,388.36 = 518,249.75 : x - Step 2: Convert to fraction form
746,074.18/1,119,388.36 = 518,249.75/x - Step 3: Cross multiply
746,074.18x = 1,119,388.36 × 518,249.75 - Step 4: Simplify right side
746,074.18x = 580,122,739,225.76 - Step 5: Solve for x
x = 580,122,739,225.76/746,074.18 - Step 6: Final answer
x = 777,567.11
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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.